FNUS56 KMTR 192120 FWFMTR Fire Weather Planning Forecast for the San Francisco Bay Area and Central California Coast National Weather Service San Francisco Bay Area 220 PM PDT Tue May 19 2026 ...ELEVATED FIRE WEATHER CONCERNS ACROSS THE INTERIOR BAY AREA AND CENTRAL COAST THROUGH THURSDAY DUE TO CRITICALLY LOW HUMIDITIES... .DISCUSSION...Light offshore winds continue across the higher terrain and portions of the interior through midweek. Critically dry conditions continue across the interior and higher elevations through midweek with humidity values in the 10s to 20s. Overnight recoveries remain poor to fair through Thursday night. A shallow marine layer is expected to develop late week into the weekend which will bring improved daytime and overnight humidity values. Fire weather concerns will remain elevated through late week but will ease as humidity conditions improve. Note : All winds are 20-foot Winds Unless otherwise specified. Thunderstorms imply strong, gusty and erratic winds. $$ CAZ505-200930- Coastal North Bay...Including Point Reyes National Seashore- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear then becoming partly cloudy. * Min temperature.....49-55. * 24 hr trend......Little change. * Max humidity........70-90 percent. * 24 hr trend......20 percent wetter. * 20-foot winds.......Northwest winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....66-74. * 24 hr trend......Little change. * Min humidity........60-70 percent. * 24 hr trend......20 percent wetter. * 20-foot winds.......West winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear then becoming partly cloudy. Patchy fog after midnight. * Min temperature.....47-52. * Max humidity........80-100 percent. * 20-foot winds.......West winds 5 to 10 mph. * CWR.................0%. .THURSDAY... * Sky/weather.........Mostly sunny. Patchy fog early in the morning. * Max temperature.....65-73. * Min humidity........65-75 percent. * 20-foot winds.......West winds 5 to 10 mph. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Southwest winds 5 to 15 mph. Lows in the mid 40s to lower 50s. .FRIDAY...Partly cloudy. Patchy fog. South winds 5 to 15 mph. Lows in the mid 40s to lower 50s. Highs in the 60s. .SATURDAY...Mostly cloudy. Patchy fog. Southwest winds 5 to 15 mph. Lows in the mid 40s to lower 50s. Highs in the upper 50s to mid 60s. .SUNDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph. Lows in the mid 40s to lower 50s. Highs in the upper 50s to mid 60s. $$ CAZ503-200930- Sonoma Coastal Range- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....55-64. * 24 hr trend......Little change. * Max humidity........53-63 percent. * 24 hr trend......15 percent wetter. * 20-foot winds....... * Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Sunny. * Max temperature.....79-87. * 24 hr trend......Little change. * Min humidity........25-35 percent. * 24 hr trend......15 percent wetter. * 20-foot winds....... * Ridges/upr slopes....North winds up to 5 mph shifting to the southwest 5 to 10 mph in the afternoon. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear. * Min temperature.....53-61. * Max humidity........60-80 percent. * 20-foot winds....... * Ridges/upr slopes....West winds up to 5 mph shifting to the north after midnight. * CWR.................0%. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....78-86. * Min humidity........30-40 percent. * 20-foot winds....... * Ridges/upr slopes....Light winds becoming southwest 5 to 10 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Mostly clear. West winds up to 10 mph. Lows in the 50s to lower 60s. .FRIDAY...Mostly clear. South winds 5 to 15 mph. Lows in the 40s to upper 50s. Highs in the 70s. .SATURDAY...Partly cloudy. South winds 5 to 15 mph. Lows in the upper 40s to mid 50s. Highs in the 60s to mid 70s. .SUNDAY...Partly cloudy. Southwest winds 5 to 15 mph. Lows in the upper 40s to mid 50s. Highs in the upper 60s to mid 70s. $$ CAZ502-200930- Marin Coastal Range- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....48-53. * 24 hr trend......Little change. * Max humidity........60-80 percent except 50-60 percent above 2000 feet. * 24 hr trend......20 percent wetter. * 20-foot winds....... * Valleys/lwr slopes...West winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....76-81 except 66-71 above 2000 feet. * 24 hr trend......Little change. * Min humidity........40-50 percent. * 24 hr trend......20 percent wetter. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 5 to 10 mph. * Ridges/upr slopes....Southwest winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear then becoming partly cloudy. Patchy fog early in the morning. * Min temperature.....45-50. * Max humidity........80-100 percent except 70-80 percent above 2000 feet. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 5 to 10 mph. * Ridges/upr slopes....Southwest winds 5 to 10 mph. * CWR.................0%. .THURSDAY... * Sky/weather.........Mostly sunny. Patchy fog early in the morning. * Max temperature.....74-79 except 64-69 above 2000 feet. * Min humidity........50-60 percent. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 5 to 10 mph. * Ridges/upr slopes....Southwest winds 5 to 10 mph. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Southwest winds 5 to 15 mph. Lows around 50. .FRIDAY...Cooler. Partly cloudy. Southwest winds 5 to 15 mph. Lows around 50. Highs in the 60s to lower 70s. .SATURDAY...Mostly cloudy. Patchy fog. Southwest winds 5 to 15 mph. Lows in the lower 50s. Highs in the upper 50s to mid 60s. .SUNDAY...Mostly cloudy. West winds 5 to 15 mph. Lows around 50. Highs in the 60s. $$ CAZ506-200930- North Bay Interior Valleys- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....51-57. * 24 hr trend......Little change. * Max humidity........60-80 percent. * 24 hr trend......20 percent wetter. * 20-foot winds.......West winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....81-89. * 24 hr trend......Little change. * Min humidity........25-35 percent. * 24 hr trend......5 percent wetter. * 20-foot winds.......South winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear. * Min temperature.....49-55. * Max humidity........70-90 percent. * 20-foot winds.......Southwest winds 5 to 10 mph. * CWR.................0%. .THURSDAY... * Sky/weather.........Mostly sunny. Patchy fog early in the morning. * Max temperature.....81-89. * Min humidity........35-45 percent. * 20-foot winds.......Light winds becoming southwest 5 to 10 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Mostly clear. Southwest winds 5 to 15 mph. Lows in the 40s to upper 50s. .FRIDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the 40s to upper 50s. Highs in the 70s to lower 80s. .SATURDAY...Partly cloudy. Patchy fog. Southwest winds 5 to 15 mph. Lows in the upper 40s to mid 50s. Highs in the upper 60s to mid 70s. .SUNDAY...Partly cloudy. Southwest winds 5 to 15 mph. Lows in the 40s to mid 50s. Highs in the 60s to upper 70s. $$ CAZ504-200930- North Bay Interior Mountains- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....55-65. * 24 hr trend......Little change. * Max humidity........40-50 percent. * 24 hr trend......35 percent wetter. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 10 mph shifting to the north after midnight. * Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....81-89. * 24 hr trend......Little change. * Min humidity........20-30 percent. * 24 hr trend......5 percent wetter. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds up to 5 mph shifting to the southwest 5 to 10 mph in the afternoon. * Ridges/upr slopes....North winds up to 5 mph shifting to the southwest 5 to 10 mph and gusts to around 20 mph in the afternoon. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear. * Min temperature.....54-64. * Max humidity........50-60 percent except 35-45 percent above 2000 feet. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 5 to 10 mph shifting to the northwest up to 5 mph after midnight. * Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph in the evening. * CWR.................0%. .THURSDAY... * Sky/weather.........Sunny. * Max temperature.....83-91. * Min humidity........20-30 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds up to 5 mph shifting to the south 5 to 10 mph in the afternoon. * Ridges/upr slopes....Northwest winds up to 5 mph shifting to the south 5 to 10 mph and gusts to around 20 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Clear. Southwest winds 5 to 15 mph. Lows in the 50s to lower 60s. .FRIDAY...Clear. Southwest winds 5 to 15 mph. Lows in the 50s to lower 60s. Highs in the mid 70s to lower 80s. .SATURDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the 40s to upper 50s. Highs in the 60s to upper 70s. .SUNDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the 40s to upper 50s. Highs in the 70s. $$ CAZ006-200930- San Francisco- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear then becoming partly cloudy. * Min temperature.....50-55. * 24 hr trend......4 degrees cooler. * Max humidity........80-90 percent. * 24 hr trend......10 percent wetter. * 20-foot winds.......West winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....65-73. * 24 hr trend......10 degrees cooler. * Min humidity........65-75 percent. * 24 hr trend......40 percent wetter. * 20-foot winds.......Southwest winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear then becoming partly cloudy. * Min temperature.....48-53. * Max humidity........90-100 percent. * 20-foot winds.......Southwest winds 5 to 10 mph. * CWR.................0%. .THURSDAY... * Sky/weather.........Partly sunny then becoming sunny. * Max temperature.....63-71. * Min humidity........65-75 percent. * 20-foot winds.......Southwest winds 5 to 10 mph. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Mostly clear in the evening then becoming mostly cloudy. Southwest winds 10 to 20 mph. Lows in the upper 40s to mid 50s. .FRIDAY...Partly cloudy. Southwest winds 10 to 20 mph. Lows in the upper 40s to mid 50s. Highs in the 60s. .SATURDAY...Partly cloudy. Southwest winds 10 to 20 mph. Lows in the lower 50s. Highs in the upper 50s to mid 60s. .SUNDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the lower to mid 50s. Highs in the upper 50s to mid 60s. $$ CAZ509-200930- San Francisco Peninsula Coast- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear then becoming partly cloudy. * Min temperature.....46-51. * 24 hr trend......Little change. * Max humidity........70-90 percent. * 24 hr trend......20 percent wetter. * 20-foot winds.......Northwest winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....64-72. * 24 hr trend......7 degrees cooler. * Min humidity........65-75 percent. * 24 hr trend......30 percent wetter. * 20-foot winds.......West winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear then becoming partly cloudy. Patchy fog after midnight. * Min temperature.....44-49. * Max humidity........90-100 percent. * 20-foot winds.......West winds 5 to 10 mph. * CWR.................0%. .THURSDAY... * Sky/weather.........Partly sunny then becoming sunny. Patchy fog early in the morning. * Max temperature.....62-70. * Min humidity........65-75 percent. * 20-foot winds.......West winds 5 to 10 mph. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. West winds 5 to 15 mph. Lows in the mid 40s to lower 50s. .FRIDAY...Partly cloudy. Southwest winds 5 to 15 mph. Lows in the mid 40s to lower 50s. Highs in the 60s. .SATURDAY...Mostly cloudy. Patchy fog. Southwest winds 5 to 15 mph. Lows around 50. Highs in the upper 50s to mid 60s. .SUNDAY...Mostly cloudy. Patchy fog. Areas of fog. West winds 5 to 15 mph. Lows near 50. Highs in the upper 50s to mid 60s. $$ CAZ508-200930- San Francisco Bay Shoreline- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....51-56. * 24 hr trend......Little change. * Max humidity........60-80 percent. * 24 hr trend......Little change. * 20-foot winds.......West winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....76-84. * 24 hr trend......Little change. * Min humidity........35-45 percent. * 24 hr trend......10 percent wetter. * 20-foot winds.......West winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear. * Min temperature.....49-54. * Max humidity........70-90 percent. * 20-foot winds.......West winds 5 to 10 mph. * CWR.................0%. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....75-83. * Min humidity........45-55 percent. * 20-foot winds.......West winds 5 to 10 mph. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in the 40s to upper 50s. .FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 40s to upper 50s. Highs in the 70s. .SATURDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the upper 40s to mid 50s. Highs in the upper 60s to mid 70s. .SUNDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the upper 40s to mid 50s. Highs in the 60s to mid 70s. $$ CAZ510-200930- East Bay Interior Valleys- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....54-61. * 24 hr trend......Little change. * Max humidity........48-58 percent. * 24 hr trend......20 percent wetter. * 20-foot winds.......West winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....84-92. * 24 hr trend......5 degrees warmer. * Min humidity........18-28 percent. * 24 hr trend......6 percent wetter. * 20-foot winds.......West winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear. * Min temperature.....52-59. * Max humidity........55-75 percent. * 20-foot winds.......Southwest winds 5 to 10 mph. * CWR.................0%. .THURSDAY... * Sky/weather.........Sunny. * Max temperature.....84-92. * Min humidity........23-33 percent. * 20-foot winds.......West winds 5 to 10 mph. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Clear. Southwest winds 10 to 20 mph. Lows in the 50s to lower 60s. .FRIDAY...Mostly clear. West winds 10 to 20 mph. Lows in the 50s to lower 60s. Highs in the upper 70s to mid 80s. .SATURDAY...Mostly clear. West winds 10 to 20 mph. Lows in the 40s to upper 50s. Highs in the 70s to lower 80s. .SUNDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the 40s to upper 50s. Highs in the 70s to lower 80s. $$ CAZ513-200930- Santa Clara Valley...including San Jose- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....52-57. * 24 hr trend......7 degrees warmer. * Max humidity........48-58 percent. * 24 hr trend......5 percent drier. * 20-foot winds.......Northwest winds 5 to 10 mph shifting to the south up to 5 mph after midnight. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....85-90. * 24 hr trend......Little change. * Min humidity........20-30 percent. * 24 hr trend......5 percent wetter. * 20-foot winds.......West winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear. * Min temperature.....51-56. * Max humidity........60-80 percent. * 20-foot winds.......West winds 5 to 10 mph in the evening becoming light winds. * CWR.................0%. .THURSDAY... * Sky/weather.........Sunny. * Max temperature.....83-90. * Min humidity........30-40 percent. * 20-foot winds.......Light winds becoming west 5 to 10 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in the 40s to upper 50s. .FRIDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the 40s to upper 50s. Highs in the upper 70s to mid 80s. .SATURDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the upper 40s to mid 50s. Highs in the 70s to lower 80s. .SUNDAY...Partly cloudy. West winds 5 to 15 mph. Lows near 50. Highs in the mid 70s to lower 80s. $$ CAZ512-200930- Santa Cruz Mountains- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....51-61. * 24 hr trend......Little change. * Max humidity........40-50 percent. * 24 hr trend......15 percent drier. * 20-foot winds....... * Valleys/lwr slopes...North winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....76-84. * 24 hr trend......Little change. * Min humidity........30-40 percent. * 24 hr trend......15 percent wetter. * 20-foot winds....... * Valleys/lwr slopes...North winds up to 5 mph shifting to the west 5 to 10 mph in the afternoon. * Ridges/upr slopes....Northwest winds up to 5 mph shifting to the west 5 to 10 mph in the afternoon. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear. * Min temperature.....48-58. * Max humidity........55-75 percent except 50-60 percent above 2000 feet. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds up to 5 mph in the evening becoming downvalley 2 to 6 mph. * Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph in the evening. * CWR.................0%. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....75-83. * Min humidity........35-45 percent. * 20-foot winds....... * Valleys/lwr slopes...Upvalley 3 to 7 mph becoming west up to 5 mph in the afternoon. * Ridges/upr slopes....Light winds becoming west 5 to 10 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Southwest winds 5 to 15 mph. Lows in the 40s to upper 50s. .FRIDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the 40s to upper 50s. Highs in the 60s to upper 70s. .SATURDAY...Partly cloudy. Southwest winds 5 to 15 mph. Lows in the 40s to mid 50s. Highs in the mid 60s to lower 70s. .SUNDAY...Partly cloudy. Southwest winds 5 to 15 mph. Lows in the 40s to mid 50s. Highs in the 60s to mid 70s. $$ CAZ515-200930- East Bay Hills- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....53-63. * 24 hr trend......Little change. * Max humidity........38-48 percent except 20-30 percent above 2000 feet. * 24 hr trend......5 percent drier. * 20-foot winds....... * Valleys/lwr slopes...West winds 5 to 10 mph with gusts to 20 mph. * Ridges/upr slopes....West winds 5 to 10 mph with gusts to 20 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....82-90. * 24 hr trend......Little change. * Min humidity........23-33 percent except 15-20 percent above 2000 feet. * 24 hr trend......5 percent wetter. * 20-foot winds....... * Valleys/lwr slopes...West winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. * Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear. * Min temperature.....52-62. * Max humidity........48-58 percent except 28-38 percent above 2000 feet. * 20-foot winds....... * Valleys/lwr slopes...Southwest winds 5 to 10 mph with gusts to 20 mph. * Ridges/upr slopes....Southwest winds 5 to 10 mph with gusts to 20 mph. * CWR.................0%. .THURSDAY... * Sky/weather.........Sunny. * Max temperature.....81-89. * Min humidity........30-40 percent except 15-20 percent above 2000 feet. * 20-foot winds....... * Valleys/lwr slopes...West winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. * Ridges/upr slopes....Southwest winds 5 to 10 mph shifting to the west 5 to 10 mph in the afternoon. Gusts up to 20 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Clear. Southwest winds 10 to 20 mph. Lows in the 50s to lower 60s. .FRIDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in the 40s to upper 50s. Highs in the mid 70s to lower 80s. .SATURDAY...Mostly clear. West winds 10 to 20 mph. Lows in the 40s to upper 50s. Highs in the 70s. .SUNDAY...Mostly clear. West winds 10 to 20 mph. Lows in the 40s to mid 50s. Highs in the 60s to upper 70s. $$ CAZ514-200930- Eastern Santa Clara Hills- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Clear. * Min temperature.....49-59. * 24 hr trend......4 degrees warmer. * Max humidity........30-40 percent. * 24 hr trend......Little change. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 25 mph in the evening. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....81-89. * 24 hr trend......6 degrees warmer. * Min humidity........15-20 percent. * 24 hr trend......5 percent wetter. * 20-foot winds....... * Valleys/lwr slopes...Upvalley 3 to 7 mph becoming southwest 5 to 10 mph in the afternoon. * Ridges/upr slopes....Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear. * Min temperature.....50-59. * Max humidity........45 percent except 30-40 percent above 2000 feet. * 20-foot winds....... * Valleys/lwr slopes...West winds 5 to 10 mph in the evening becoming downvalley 2 to 6 mph. * Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph in the evening. * CWR.................0%. .THURSDAY... * Sky/weather.........Sunny. * Max temperature.....82-90. * Min humidity........18-28 percent. * 20-foot winds....... * Valleys/lwr slopes...Upvalley 3 to 7 mph becoming southwest 5 to 10 mph in the afternoon. * Ridges/upr slopes....Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Clear. West winds 5 to 15 mph. Lows in the 50s to lower 60s. .FRIDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the 40s to upper 50s. Highs in the upper 70s to mid 80s. .SATURDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the 40s to mid 50s. Highs in the mid 70s to lower 80s. .SUNDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the 40s to mid 50s. Highs in the 70s to lower 80s. $$ CAZ529-200930- Northern Monterey Bay- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....49-54. * 24 hr trend......5 degrees warmer. * Max humidity........60-70 percent except 50-60 percent from 500 to 1000 feet. * 24 hr trend......Little change. * 20-foot winds.......Northwest winds 5 to 10 mph in the evening becoming light winds. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....72-80. * 24 hr trend......4 degrees cooler. * Min humidity........45-55 percent. * 24 hr trend......10 percent wetter. * 20-foot winds.......Southwest winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Mostly clear then becoming partly cloudy. * Min temperature.....46-51. * Max humidity........80-90 percent. * 20-foot winds.......Southwest winds 5 to 10 mph in the evening becoming light winds. * CWR.................0%. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....71-79. * Min humidity........50-60 percent. * 20-foot winds.......Light winds becoming southwest 5 to 10 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Mostly clear in the evening then becoming mostly cloudy. Southwest winds 5 to 15 mph. Lows in the upper 40s. .FRIDAY...Partly cloudy. Patchy fog. Southwest winds 5 to 15 mph. Lows near 50. Highs in the 60s to mid 70s. .SATURDAY...Partly cloudy. Areas of fog. Southwest winds 5 to 15 mph. Lows around 50. Highs in the 60s to lower 70s. .SUNDAY...Partly cloudy. Areas of fog. Patchy fog. Southwest winds 5 to 15 mph. Lows around 50. Highs in the mid 60s to lower 70s. $$ CAZ530-200930- Southern Monterey Bay and Big Sur Coast- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....50-58. * 24 hr trend......8 degrees warmer. * Max humidity........70 percent except Big Sur 45 percent. * 24 hr trend......Little change. * 20-foot winds.......West winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....68-76. * 24 hr trend......11 degrees cooler. * Min humidity........50 percent except Big Sur 40 percent. * 24 hr trend......20 percent wetter. * 20-foot winds.......West winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy. * Min temperature.....48-56. * Max humidity........80 percent except Big Sur 50 percent. * 20-foot winds.......West winds 5 to 10 mph. * CWR.................0%. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....66-74. * Min humidity........60 percent except Big Sur 50 percent. * 20-foot winds.......West winds 5 to 10 mph. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Partly cloudy. West winds 5 to 15 mph. Lows in the 40s to upper 50s. .FRIDAY...Partly cloudy. Patchy fog. Southwest winds 5 to 15 mph. Lows in the 40s to upper 50s. Highs in the 60s to lower 70s. .SATURDAY...Partly cloudy. Patchy fog. Southwest winds 5 to 15 mph. Lows in the mid 40s to lower 50s. Highs in the 60s. .SUNDAY...Partly cloudy. Patchy fog. West winds 5 to 15 mph. Lows in the 40s to mid 50s. Highs in the 60s. $$ CAZ528-200930- Northern Salinas Valley...Hollister Valley...and Carmel Valley- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....50-55. * 24 hr trend......8 degrees warmer. * Max humidity........48-58 percent. * 24 hr trend......10 percent drier. * 20-foot winds.......Northwest winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....79-87. * 24 hr trend......8 degrees warmer. * Min humidity........25-35 percent. * 24 hr trend......5 percent wetter. * 20-foot winds.......Northwest winds 5 to 10 mph. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy then becoming mostly clear. * Min temperature.....50-55. * Max humidity........60-80 percent. * 20-foot winds.......West winds 10 to 15 mph decreasing to up to 5 mph after midnight. * CWR.................0%. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....78-86. * Min humidity........35-45 percent. * 20-foot winds.......Northwest winds up to 5 mph increasing to west 10 to 15 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Mostly clear. West winds 10 to 20 mph. Lows in the 40s to upper 50s. .FRIDAY...Mostly clear. West winds 10 to 20 mph. Lows in the 40s to upper 50s. Highs in the mid 70s to lower 80s. .SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the upper 40s to mid 50s. Highs in the 70s. .SUNDAY...Partly cloudy. Patchy fog. West winds 10 to 20 mph. Lows near 50. Highs in the 70s. $$ CAZ516-200930- Southern Salinas Valley...Arroyo Seco...and Lake San Antonio- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....47-52. * 24 hr trend......5 degrees warmer. * Max humidity........50-60 percent. * 24 hr trend......Little change. * 20-foot winds.......Northwest winds 10 to 20 mph decreasing to 5 to 10 mph after midnight. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Sunny. * Max temperature.....85-90. * 24 hr trend......4 degrees warmer. * Min humidity........15-20 percent. * 24 hr trend......Little change. * 20-foot winds.......North winds up to 5 mph shifting to the west 10 to 15 mph in the afternoon. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy then becoming mostly clear. * Min temperature.....47-52. * Max humidity........60-70 percent. * 20-foot winds.......Northwest winds 5 to 10 mph. * CWR.................0%. .THURSDAY... * Sky/weather.........Sunny. * Max temperature.....86-91. * Min humidity........20-30 percent. * 20-foot winds.......Northeast winds up to 5 mph shifting to the southwest 5 to 10 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Clear. Northwest winds 10 to 20 mph. Lows in the upper 40s to mid 50s. .FRIDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in the 40s to mid 50s. Highs in the 80s to lower 90s. .SATURDAY...Mostly clear. Patchy fog. Southwest winds 10 to 20 mph. Lows in the 40s to lower 50s. Highs in the upper 70s to mid 80s. .SUNDAY...Mostly clear. Patchy fog. West winds 10 to 20 mph. Lows in the 40s to lower 50s. Highs in the upper 70s to mid 80s. $$ CAZ517-200930- Santa Lucia Mountains and Los Padres National Forest- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Mostly clear. * Min temperature.....50-60. * 24 hr trend......4 degrees warmer. * Max humidity........30-40 percent except 20-30 percent above 2000 feet. * 24 hr trend......20 percent wetter. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 25 mph in the evening. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....78-86. * 24 hr trend......7 degrees warmer. * Min humidity........23-33 percent. * 24 hr trend......5 percent wetter. * 20-foot winds....... * Valleys/lwr slopes...Northeast winds up to 5 mph shifting to the northwest 5 to 10 mph in the afternoon. * Ridges/upr slopes....North winds up to 5 mph shifting to the west 5 to 10 mph and gusts to around 20 mph in the afternoon. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy then becoming mostly clear. * Min temperature.....50-58 except 55-60 above 2000 feet. * Max humidity........38-48 percent except 28-38 percent above 2000 feet. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 10 mph shifting to the southeast up to 5 mph after midnight. * Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 25 mph in the evening. * CWR.................0%. .THURSDAY... * Sky/weather.........Mostly sunny. * Max temperature.....77-85. * Min humidity........25-35 percent. * 20-foot winds....... * Valleys/lwr slopes...Upvalley 3 to 7 mph becoming west 5 to 10 mph in the afternoon. * Ridges/upr slopes....North winds up to 5 mph shifting to the southwest 5 to 10 mph and gusts to around 20 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in the 40s to upper 50s. .FRIDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the 40s to upper 50s. Highs in the 70s. .SATURDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the 40s to mid 50s. Highs in the upper 60s to mid 70s. .SUNDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 40s to mid 50s. Highs in the upper 60s to mid 70s. $$ CAZ518-200930- Mountains of San Benito and Interior Monterey County including Pinnacles National Park- 220 PM PDT Tue May 19 2026 .TONIGHT... * Sky/weather.........Clear. * Min temperature.....49-59. * 24 hr trend......Little change. * Max humidity........33-43 percent. * 24 hr trend......Little change. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 30 mph in the evening. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY... * Sky/weather.........Mostly sunny. * Max temperature.....81-89. * 24 hr trend......Little change. * Min humidity........15-20 percent. * 24 hr trend......Little change. * 20-foot winds....... * Valleys/lwr slopes...North winds up to 5 mph shifting to the southwest 5 to 10 mph and gusts to around 20 mph in the afternoon. * Ridges/upr slopes....North winds up to 5 mph shifting to the west 5 to 10 mph with gusts 20 to 30 mph in the afternoon. * Chance of Thunder...0 percent. * CWR.................0%. * Marine layer........None. .WEDNESDAY NIGHT... * Sky/weather.........Partly cloudy then becoming mostly clear. * Min temperature.....50-59. * Max humidity........40-50 percent. * 20-foot winds....... * Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. * Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 30 mph in the evening. * CWR.................0%. .THURSDAY... * Sky/weather.........Sunny. * Max temperature.....83-91. * Min humidity........18-28 percent. * 20-foot winds....... * Valleys/lwr slopes...North winds 5 to 10 mph. * Ridges/upr slopes....Northeast winds up to 5 mph shifting to the west 10 to 15 mph with gusts 20 to 30 mph in the afternoon. * CWR.................0%. .EXTENDED... .THURSDAY NIGHT...Clear. West winds 5 to 15 mph. Lows in the 50s to lower 60s. .FRIDAY...Clear. West winds 10 to 20 mph. Lows in the 50s to lower 60s. Highs in the 70s to mid 80s. .SATURDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in the 40s to upper 50s. Highs in the mid 70s to lower 80s. .SUNDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 40s to mid 50s. Highs in the 70s to lower 80s. $$ NOAA'S NWS on the web at www.weather.gov/sanfrancisco