FPUS52 KKEY 102017 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 417 PM EDT Fri Apr 10 2026 FLZ076>078-111015- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 417 PM EDT Fri Apr 10 2026 .TONIGHT...Partly cloudy with a slight chance of showers. Breezy. Lows in the lower 70s. Northeast winds 15 to 20 mph. Chance of rain 10 percent. .SATURDAY...Mostly sunny with a slight chance of showers. Breezy. Highs near 80. Northeast winds near 15 to 20 mph. Chance of rain 10 percent. .SATURDAY NIGHT...Partly cloudy. Breezy. Lows in the lower 70s. Northeast winds 15 to 20 mph. .SUNDAY...Mostly sunny. Breezy. Highs near 80. East winds 15 to 20 mph. .SUNDAY NIGHT...Mostly clear. Breezy. Lows in the lower 70s. East winds 15 to 20 mph. .MONDAY...Mostly sunny. Breezy. Highs near 80. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Windy. Lows in the lower 70s. .TUESDAY THROUGH WEDNESDAY...Partly cloudy. Breezy. Highs in the lower 80s. Lows in the lower 70s. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Breezy. Lows in the mid 70s. Highs in the lower 80s. .THURSDAY NIGHT...Partly cloudy. Breezy. Lows in the mid 70s. .FRIDAY...Mostly sunny. Highs in the lower 80s. $$