FPUS52 KKEY 220725 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 325 AM EDT Sat Aug 22 2026 FLZ076>078-222030- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 325 AM EDT Sat Aug 22 2026 .TODAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Southeast winds near 5 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY...Mostly sunny. Highs in the lower 90s. East winds 5 to 10 mph. .MONDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 30 percent. .TUESDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 50 percent. .WEDNESDAY...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 40 percent. .THURSDAY...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 40 percent. .FRIDAY...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 30 percent. $$