FPUS52 KKEY 150759 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 359 AM EDT Wed Apr 15 2026 FLZ076>078-152100- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 359 AM EDT Wed Apr 15 2026 .TODAY...Partly sunny this morning, then becoming mostly sunny. Highs in the lower 80s. East winds 10 to 15 mph. .TONIGHT...Partly cloudy with a slight chance of showers. Lows in the lower 70s. East winds 10 to 15 mph. Chance of rain 10 percent. .THURSDAY...Mostly sunny. Highs in the lower 80s. East winds near 10 mph. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the mid 70s. East winds 10 to 15 mph. Chance of rain 10 percent. .FRIDAY...Mostly sunny with a slight chance of showers. Highs in the lower 80s. Northeast winds near 10 mph. Chance of rain 10 percent. .FRIDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the mid 70s. Chance of rain 10 percent. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 80s. Lows in the mid 70s. .SUNDAY...Mostly sunny. Highs in the lower 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 70s. .MONDAY...Partly sunny with a slight chance of showers. Highs in the lower 80s. Chance of rain 10 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy with a slight chance of showers and thunderstorms. Windy. Lows in the lower 70s. Highs near 80. Chance of rain 20 percent. $$