FPUS52 KKEY 052022 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 422 PM EDT Wed Aug 5 2026 FLZ076>078-061045- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 422 PM EDT Wed Aug 5 2026 .TONIGHT...Partly to mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. East winds 5 to 10 mph, increasing to 10 mph. Chance of rain 40 percent. .THURSDAY...Partly to mostly cloudy with a chance of showers and thunderstorms. Highs near 90. East winds 10 to 15 mph. Chance of rain 40 percent. .THURSDAY NIGHT...Showers likely with a chance of thunderstorms. Lows in the lower to mid 80s. East winds near 15 mph. Chance of rain 60 percent. .FRIDAY...Partly sunny with a chance of showers and thunderstorms. Highs near 90. East to southeast winds 10 to 15 mph. Chance of rain 40 percent. .FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower to mid 80s. East to southeast winds 10 to 15 mph. Chance of rain 30 percent. .SATURDAY AND SATURDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Highs near 90. Lows in the lower to mid 80s. Chance of rain 30 percent. .SUNDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower to mid 80s. Chance of rain 30 percent. .MONDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. Lows in the lower to mid 80s. .TUESDAY...Mostly sunny with a slight chance of showers. Highs in the near 90. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the lower to mid 80s. Chance of rain 10 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 20 percent. $$