FPUS52 KKEY 161959 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 359 PM EDT Fri Oct 16 2026 FLZ078-170845- Monroe Lower Keys- Including the communities of Key West 359 PM EDT Fri Oct 16 2026 .TONIGHT...Showers likely with a chance of thunderstorms. Lows in the upper 70s. East winds near 5 mph. Chance of rain 60 percent. .SATURDAY...Showers likely with a chance of thunderstorms. Highs in the upper 80s. Northeast winds near 5 mph, becoming north. Chance of rain 60 percent. .SATURDAY NIGHT...Showers with a chance of thunderstorms. Lows in the mid 70s. Northeast winds 10 to 15 mph. Chance of rain 90 percent. .SUNDAY...Showers likely with a chance of thunderstorms. Windy. Highs in the mid 80s. Northeast winds near 15 mph, increasing to near 20 mph. Chance of rain 70 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers. Windy. Lows in the mid 70s. Northeast winds near 20 mph with gusts up to 25 mph. Chance of rain 20 percent. .MONDAY...Partly cloudy with a slight chance of showers. Very windy with highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT AND TUESDAY...Mostly clear and windy with a slight chance of showers. Lows in the mid 70s. Highs in the mid 80s. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly clear with a slight chance of showers. Breezy with lows in the mid 70s. Chance of rain 10 percent. .WEDNESDAY THROUGH FRIDAY...Mostly clear and breezy with a slight chance of showers. Highs in the mid 80s. Lows in the mid 70s. Chance of rain 20 percent. $$ FLZ076-077-170845- Monroe Upper Keys-Monroe Middle Keys- Including the communities of Key Largo and Marathon 359 PM EDT Fri Oct 16 2026 .TONIGHT...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. East winds near 5 mph. Chance of rain 40 percent. .SATURDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the mid 80s. Northeast winds near 5 mph, becoming north. Chance of rain 50 percent. .SATURDAY NIGHT...Showers with a chance of thunderstorms. Lows in the mid 70s. Northeast winds 10 to 15 mph. Chance of rain 90 percent. .SUNDAY...Showers likely with a chance of thunderstorms. Becoming windy. Highs in the lower 80s. Northeast winds 10 to 15 mph, increasing to near 20 mph. Chance of rain 70 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Windy. Lows in the mid 70s. Northeast winds near 20 mph with gusts up to 25 mph. Chance of rain 30 percent. .MONDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Windy with highs in the mid 80s. Chance of rain 30 percent. .MONDAY NIGHT AND TUESDAY...Mostly clear and windy with a slight chance of showers. Lows in the mid 70s. Highs in the lower 80s. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly clear and windy with a slight chance of showers. Lows in the mid 70s. Chance of rain 10 percent. .WEDNESDAY THROUGH THURSDAY NIGHT...Mostly clear and windy with a slight chance of showers. Highs in the lower 80s. Lows in the mid 70s. Chance of rain 20 percent. .FRIDAY...Partly cloudy with a chance of showers. Highs in the lower 80s. Chance of rain 30 percent. $$