FPUS52 KKEY 100800 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 400 AM EDT Sun May 10 2026 FLZ076>078-102315- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 400 AM EDT Sun May 10 2026 .TODAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Southeast winds 5 to 10 mph. .TONIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds near 10 mph. Chance of rain 10 percent. .MONDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Southeast winds 5 to 10 mph. Chance of rain 10 percent. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds near 5 mph. Chance of rain 10 percent. .TUESDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Variable winds near 5 mph. Chance of rain 20 percent. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a slight chance of showers and thunderstorms. Lows near 80. Highs in the upper 80s. Chance of rain 20 percent. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Highs in the upper 80s. Chance of rain 10 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 70s. Chance of rain 10 percent. .FRIDAY...Mostly sunny with a slight chance of showers. Highs in the upper 80s. Chance of rain 10 percent. .FRIDAY NIGHT...Partly cloudy. Lows near 80. .SATURDAY...Partly sunny with a slight chance of showers. Highs in the upper 80s. Chance of rain 10 percent. $$ AJP