FPUS56 KEKA 230837 ZFPEKA Zone Forecast Product for California National Weather Service Eureka CA 136 AM PDT Sun Aug 23 2026 This is an average forecast over a large and geographically diverse area. For a specific forecast for your location...please refer to the point and click forecast on our webpage at: www.weather.gov/eureka. Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Monday. CAZ101-240200- Coastal Del Norte- Including the cities of Ft Dick, Crescent City, and Smith River 136 AM PDT Sun Aug 23 2026 .TODAY...Mostly cloudy then becoming partly cloudy in the late morning and early afternoon then becoming sunny. Patchy fog in the morning. Highs 68 to 83. Northwest wind 5 to 15 mph. .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog overnight. Lows 50 to 60. Southwest wind around 10 mph. .MONDAY...Mostly cloudy in the morning then becoming partly cloudy. Patchy dense fog in the morning. Highs 63 to 75. Southwest wind around 10 mph. .MONDAY NIGHT...Mostly cloudy. Patchy fog. Lows 48 to 58. South wind around 5 mph. .TUESDAY...Mostly cloudy. Patchy fog. Highs 60 to 70. South wind around 5 mph. .TUESDAY NIGHT THROUGH THURSDAY...Mostly cloudy. Patchy fog. Lows 46 to 56. Highs 60 to 71. .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows 46 to 56. .FRIDAY...Mostly cloudy in the morning then becoming partly cloudy. Patchy fog. Highs 61 to 71. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows 46 to 56. .SATURDAY...Mostly cloudy. Patchy fog. Highs 61 to 71. && TEMPERATURE / PRECIPITATION Crescent City 66 55 63 / 0 0 0 Klamath 70 56 68 / 0 0 0 $$ CAZ102-240200- Interior Del Norte- Including the city of Gasquet 136 AM PDT Sun Aug 23 2026 .TODAY...Sunny. Highs 76 to 91. .TONIGHT...Mostly clear. Lows 54 to 64. .MONDAY...Partly cloudy in the morning then clearing. Highs 77 to 92. .MONDAY NIGHT...Mostly clear. Lows 52 to 62. .TUESDAY...Partly cloudy. Highs 70 to 85. .TUESDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 48 to 58. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 69 to 84. Lows 48 to 58. .THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 47 to 57. Highs 70 to 85. && TEMPERATURE / PRECIPITATION Gasquet 91 55 88 / 0 0 0 $$ CAZ103-240200- Northern Coastal Humboldt- Including the cities of Eureka, Samoa, Arcata, Arcata Arpt, Fieldbrook, Fernbridge, and Fortuna 136 AM PDT Sun Aug 23 2026 .TODAY...Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs 64 to 78. Northwest wind up to 10 mph. .TONIGHT...Mostly cloudy. Patchy fog. Lows 50 to 60. West wind around 10 mph shifting to the southwest overnight. .MONDAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 66 to 81. Southwest wind around 10 mph. .MONDAY NIGHT...Mostly cloudy. Patchy fog. Lows 49 to 59. Southwest wind around 5 mph. .TUESDAY...Mostly cloudy. Patchy fog. Highs 62 to 74. Southwest wind around 10 mph. .TUESDAY NIGHT THROUGH SATURDAY...Mostly cloudy. Patchy fog. Lows 47 to 57. Highs 60 to 74. && TEMPERATURE / PRECIPITATION McKinleyville 66 55 65 / 0 0 0 Arcata 68 56 68 / 0 0 0 Eureka 65 56 65 / 0 0 0 Fortuna 70 55 73 / 0 0 0 $$ CAZ104-240200- Southwestern Humboldt- Including the cities of Honeydew, Petrolia, Briceland, Ettersburg, Shelter Cove, and Whitethorn 136 AM PDT Sun Aug 23 2026 .TODAY...Sunny. Patchy fog in the morning. Highs 81 to 96. North wind 10 to 20 mph. .TONIGHT...Partly cloudy. Lows 53 to 63. North wind 5 to 15 mph. .MONDAY...Partly cloudy in the morning then clearing. Highs 74 to 89. Southwest wind around 10 mph. .MONDAY NIGHT...Partly cloudy. Lows 50 to 60. Southwest wind around 5 mph. .TUESDAY...Partly cloudy. Highs 73 to 88. West wind around 5 mph. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 50 to 60. Highs 77 to 92. .THURSDAY NIGHT...Mostly clear. Lows 48 to 58. .FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 76 to 91. Lows 48 to 58. && TEMPERATURE / PRECIPITATION Honeydew 88 54 81 / 0 0 0 $$ CAZ105-240200- Northeastern Interior Humboldt- Including the cities of Hoopa, Orleans, Weitchpec, and Willow Creek 136 AM PDT Sun Aug 23 2026 .TODAY...Sunny. Patchy valley fog in the morning. Highs 86 to 101. .TONIGHT...Partly cloudy. Lows 54 to 64. .MONDAY...Partly cloudy in the morning then clearing. Highs 88 to 103. .MONDAY NIGHT...Mostly clear. Lows 52 to 62. .TUESDAY...Partly cloudy. Highs 82 to 97. .TUESDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 49 to 59. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 81 to 96. Lows 49 to 59. .THURSDAY NIGHT...Mostly clear. Lows 47 to 57. .FRIDAY...Mostly sunny. Highs 80 to 95. .FRIDAY NIGHT...Mostly clear. Lows 47 to 57. .SATURDAY...Mostly sunny. Highs 80 to 95. && TEMPERATURE / PRECIPITATION Orleans 97 58 98 / 0 0 0 Hoopa 95 59 100 / 0 0 0 Willow Creek 97 58 101 / 0 0 0 $$ CAZ106-240200- Southeastern Interior Humboldt- Including the cities of Bull Creek, Pepperwood, Shively, Dinsmore, Bridgeville, Alderpoint, and Benbow 136 AM PDT Sun Aug 23 2026 .TODAY...Sunny. Patchy valley fog in the morning. Highs 82 to 97. .TONIGHT...Partly cloudy. Lows 54 to 64. .MONDAY...Partly cloudy in the morning then clearing. Highs 80 to 95. .MONDAY NIGHT...Partly cloudy. Lows 51 to 61. .TUESDAY...Partly cloudy. Highs 76 to 91. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Patchy valley fog. Lows 48 to 58. Highs 79 to 94. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 47 to 57. Highs 79 to 94. .THURSDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 46 to 56. .FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 78 to 93. Lows 46 to 56. && TEMPERATURE / PRECIPITATION Garberville 94 55 91 / 0 0 0 $$ CAZ108-240200- Southern Trinity- Including the cities of Forest Glen, Hayfork, Hyampom, Peanut, Ruth, and Zenia 136 AM PDT Sun Aug 23 2026 .TODAY...Sunny. Highs 82 to 97. .TONIGHT...Partly cloudy. Lows 52 to 62. .MONDAY...Partly cloudy in the morning then clearing. Highs 84 to 99. .MONDAY NIGHT...Mostly clear. Lows 51 to 61. .TUESDAY...Partly cloudy. Highs 80 to 95. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 49 to 59. Highs 80 to 95. .THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 48 to 58. Highs 80 to 95. && TEMPERATURE / PRECIPITATION Hayfork 97 50 97 / 0 0 0 Ruth 93 50 91 / 0 0 0 $$ CAZ109-240200- Coastal Mendocino- Including the cities of Fort Bragg and Rockport 136 AM PDT Sun Aug 23 2026 .TODAY...Partly cloudy until early afternoon then clearing. Patchy fog in the morning. Highs 78 to 93. Northwest wind 5 to 15 mph. .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows 49 to 59. West wind around 10 mph. .MONDAY...Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs 66 to 81. Southwest wind around 10 mph. .MONDAY NIGHT...Partly cloudy. Patchy fog. Lows 46 to 56. Northwest wind around 5 mph. .TUESDAY...Mostly cloudy. Patchy fog. Highs 62 to 77. Northwest wind around 5 mph. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows 46 to 56. .WEDNESDAY THROUGH THURSDAY NIGHT...Partly cloudy. Patchy fog. Highs 71 to 86. Lows 46 to 56. .FRIDAY...Partly cloudy in the morning then clearing. Highs 71 to 86. .FRIDAY NIGHT...Partly cloudy. Patchy fog. Lows 47 to 57. .SATURDAY...Partly cloudy. Highs 71 to 86. && TEMPERATURE / PRECIPITATION Fort Bragg 69 52 66 / 0 0 0 Point Arena 64 51 61 / 0 0 0 $$ CAZ110-240200- Northwestern Interior Mendocino- Including the cities of Potter Valley and Willits 136 AM PDT Sun Aug 23 2026 .TODAY...Mostly sunny. Highs 86 to 101. .TONIGHT...Partly cloudy. Lows 53 to 63. .MONDAY...Partly cloudy in the morning then clearing. Highs 84 to 99. .MONDAY NIGHT...Mostly clear. Lows 50 to 60. .TUESDAY...Partly cloudy. Highs 82 to 97. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 50 to 60. Highs 83 to 98. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 49 to 59. Highs 83 to 98. .SATURDAY...Partly cloudy in the morning then clearing. Highs 82 to 97. && TEMPERATURE / PRECIPITATION Leggett 89 55 83 / 0 0 0 Laytonville 91 56 88 / 0 0 0 Willits 90 53 86 / 0 0 0 $$ CAZ111-240200- Northeastern Interior Mendocino- Including the city of Covelo 136 AM PDT Sun Aug 23 2026 .TODAY...Partly cloudy. Highs 87 to 102. .TONIGHT...Partly cloudy. Lows 54 to 64. .MONDAY...Partly cloudy in the morning then clearing. Highs 86 to 101. .MONDAY NIGHT...Mostly clear. Lows 53 to 63. .TUESDAY...Partly cloudy. Highs 83 to 98. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 52 to 62. Highs 85 to 100. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 52 to 62. Highs 86 to 101. .SATURDAY...Mostly sunny. Highs 85 to 100. && TEMPERATURE / PRECIPITATION Covelo 95 55 93 / 0 0 0 $$ CAZ112-240200- Southwestern Interior Mendocino- Including the cities of Boonville, Philo, Comptche, and Yorkville 136 AM PDT Sun Aug 23 2026 .TODAY...Mostly cloudy then becoming partly cloudy early in the afternoon then becoming sunny. Patchy valley fog in the morning. Highs 80 to 95. .TONIGHT...Partly cloudy. Lows 50 to 60. .MONDAY...Partly cloudy in the morning then clearing. Patchy dense valley fog in the morning. Highs 75 to 90. .MONDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 48 to 58. .TUESDAY...Partly cloudy. Patchy valley fog. Highs 74 to 89. .TUESDAY NIGHT THROUGH FRIDAY NIGHT...Partly cloudy. Patchy valley fog. Lows 49 to 59. Highs 76 to 91. .SATURDAY...Mostly sunny. Highs 75 to 90. && TEMPERATURE / PRECIPITATION Boonville 93 54 88 / 0 0 0 $$ CAZ113-240200- Southeastern Interior Mendocino- Including the cities of Calpella, Hopland, Redwood Valley, Talmage, and Ukiah 136 AM PDT Sun Aug 23 2026 .TODAY...Mostly cloudy until early afternoon then clearing. Highs 83 to 98. .TONIGHT...Partly cloudy. Lows 56 to 66. .MONDAY...Partly cloudy in the morning then clearing. Highs 80 to 95. .MONDAY NIGHT...Mostly clear. Lows 54 to 64. .TUESDAY...Partly cloudy. Highs 78 to 93. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 53 to 63. Highs 79 to 94. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 54 to 64. Highs 79 to 94. .SATURDAY...Partly cloudy in the morning then clearing. Highs 79 to 94. && TEMPERATURE / PRECIPITATION Ukiah 96 59 94 / 0 0 0 $$ CAZ114-240200- Northern Lake- Including the city of Gravelly Valley Airport 136 AM PDT Sun Aug 23 2026 .TODAY...Mostly cloudy in the morning then becoming partly cloudy. Highs 85 to 100. .TONIGHT...Partly cloudy. Lows 56 to 66. .MONDAY...Partly cloudy in the morning then clearing. Highs 83 to 98. .MONDAY NIGHT...Mostly clear. Lows 54 to 64. .TUESDAY...Partly cloudy. Highs 80 to 95. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 54 to 64. Highs 82 to 97. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 54 to 64. Highs 83 to 98. .SATURDAY...Mostly sunny. Highs 83 to 98. && TEMPERATURE / PRECIPITATION Lake Pillsbury 99 50 97 / 0 0 0 $$ CAZ116-240200- Northwestern and Central Trinity- Including the cities of Weaverville, Douglas City, Helena, Junction City, Big Bar, Del Loma, and Burnt Ranch 136 AM PDT Sun Aug 23 2026 .TODAY...Sunny. Highs 89 to 104. North wind around 5 mph shifting to the southwest in the afternoon. .TONIGHT...Partly cloudy. Lows 55 to 65. West wind around 10 mph shifting to the east overnight. .MONDAY...Mostly sunny. Highs 90 to 105. Southeast wind up to 10 mph. .MONDAY NIGHT...Mostly clear. Lows 54 to 64. East wind around 10 mph. .TUESDAY...Mostly sunny. Highs 87 to 102. Southeast wind around 10 mph. .TUESDAY NIGHT...Mostly clear. Lows 52 to 62. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 86 to 101. Lows 52 to 62. .THURSDAY THROUGH SATURDAY...Mostly clear. Highs 87 to 102. Lows 51 to 61. && TEMPERATURE / PRECIPITATION Big Bar 100 57 101 / 0 0 0 Weaverville 96 57 95 / 0 0 0 $$ CAZ117-240200- Northeastern Trinity- Including the cities of Carrville and Trinity Center 136 AM PDT Sun Aug 23 2026 .TODAY...Sunny. Highs 83 to 98. Northeast wind around 5 mph shifting to the south in the afternoon. .TONIGHT...Partly cloudy. Lows 53 to 63. South wind around 5 mph shifting to the east overnight. .MONDAY...Mostly sunny. Highs 80 to 95. Southeast wind 5 to 15 mph. .MONDAY NIGHT...Mostly clear. Lows 53 to 63. Southeast wind around 10 mph. .TUESDAY...Partly cloudy. Highs 78 to 93. Southeast wind around 15 mph. .TUESDAY NIGHT...Mostly clear. Lows 51 to 61. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs 82 to 97. Lows 51 to 61. .THURSDAY THROUGH SATURDAY...Mostly clear. Highs 81 to 96. Lows 50 to 60. && TEMPERATURE / PRECIPITATION Trinity Center 96 58 93 / 0 0 0 $$ CAZ118-240200- Western Lake- Including the cities of Finley, Knobcone Camp, Lakeport, Soda Bay, Lucerne, Nice, and Saratoga Springs 136 AM PDT Sun Aug 23 2026 .TODAY...Mostly cloudy in the morning then becoming mostly sunny. Highs 86 to 96. Southeast wind around 10 mph. .TONIGHT...Partly cloudy. Lows 59 to 69. West wind around 10 mph. .MONDAY...Partly cloudy in the morning then clearing. Highs 84 to 94. Southwest wind around 10 mph. .MONDAY NIGHT...Mostly clear. Lows 56 to 66. West wind around 10 mph. .TUESDAY...Partly cloudy. Highs 83 to 93. West wind around 10 mph. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 55 to 65. Highs 83 to 94. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 56 to 66. Highs 84 to 94. .SATURDAY...Mostly sunny. Highs 83 to 93. && TEMPERATURE / PRECIPITATION Lakeport 92 60 89 / 0 0 0 $$ CAZ119-240200- Southwestern Lake- Including the cities of Kelseyville, Mount Konocti, Adams, Anderson Springs, Cobb, Ettawa Springs, and Forest Lake 136 AM PDT Sun Aug 23 2026 .TODAY...Mostly cloudy until earlyafternoon then becoming partly cloudy. Highs 84 to 95. Northeast wind around 10 mph shifting to the south in the afternoon. .TONIGHT...Partly cloudy. Lows 59 to 69. Southwest wind around 10 mph. .MONDAY...Partly cloudy in the morning then clearing. Highs 80 to 92. Southwest wind around 10 mph. .MONDAY NIGHT...Mostly clear. Lows 56 to 66. West wind around 10 mph. .TUESDAY...Partly cloudy. Highs 80 to 91. West wind around 10 mph. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 58 to 68. Highs 80 to 95. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 58 to 68. Highs 83 to 95. .SATURDAY...Mostly sunny. Highs 83 to 94. $$ CAZ120-240200- Eastern Lake- Including the cities of Clearlake, Clearlake Park, Hidden Valley Lake, and Middletown 136 AM PDT Sun Aug 23 2026 .TODAY...Mostly cloudy. Highs 88 to 98. Northeast wind around 10 mph shifting to the southeast in the afternoon. .TONIGHT...Partly cloudy. Lows 58 to 68. Southwest wind around 10 mph. .MONDAY...Partly cloudy in the morning then clearing. Highs 86 to 96. Southwest wind around 10 mph. .MONDAY NIGHT...Mostly clear. Lows 55 to 65. Southwest wind around 10 mph. .TUESDAY...Partly cloudy. Highs 85 to 95. Southwest wind around 10 mph. .TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows 56 to 66. Highs 85 to 97. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Lows 57 to 67. Highs 87 to 97. .SATURDAY...Mostly sunny. Highs 86 to 97. && TEMPERATURE / PRECIPITATION Middletown 94 56 90 / 0 0 0 Clearlake 95 59 93 / 0 0 0 $$