FPUS52 KKEY 240754 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 354 AM EDT Sun May 24 2026 FLZ076>078-242115- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 354 AM EDT Sun May 24 2026 .TODAY...Mostly sunny with a slight chance of showers and thunderstorms. Breezy. Highs in the upper 80s. East winds 15 to 20 mph. Chance of rain 20 percent. .TONIGHT...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Breezy. Lows around 80. East winds 15 to 20 mph. Chance of rain 30 percent. .MEMORIAL DAY...Mostly sunny with a slight chance of showers and thunderstorms. Breezy. Highs in the upper 80s. East winds 15 to 20 mph. Chance of rain 20 percent. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Breezy with lows in the lower 80s. East winds 15 to 20 mph. Chance of rain 20 percent. .TUESDAY...Partly sunny with a slight chance of showers and thunderstorms. Breezy. Highs in the upper 80s. East winds 15 to 20 mph. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Breezy. Lows around 80. Chance of rain 50 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Lows near 80. Chance of rain 40 percent. .THURSDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 30 percent. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Lows near 80. Chance of rain 50 percent. .SATURDAY...Mostly cloudy with showers likely. Highs in the upper 80s. Chance of rain 60 percent. $$