FPUS52 KKEY 022000 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 400 PM EDT Sat May 2 2026 FLZ076>078-030930- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 400 PM EDT Sat May 2 2026 .TONIGHT...Increasing cloudiness with a chance of showers and a slight chance of thunderstorms. Winds gusty near stronger showers and thunderstorms. Lows in the upper 70s. Southwest to west winds 5 to 10 mph. Chance of rain 50 percent. .SUNDAY...Mostly cloudy with showers likely with a chance of thunderstorms. Highs in the mid 80s. West to northwest winds 5 to 10 mph, becoming northwest to north near 10 mph in the afternoon. Chance of rain 60 percent. .SUNDAY NIGHT...Mostly cloudy with showers likely with a chance of thunderstorms. Lows in the mid 70s. North to northeast winds 10 to 15 mph, decreasing to near 10 mph. Chance of rain 70 percent. .MONDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the lower 80s. Northeast winds near 10 mph, increasing to 10 to 15 mph. Chance of rain 30 percent. .MONDAY NIGHT...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the mid 70s. Northeast to east winds 10 to 15 mph, decreasing to near 10 mph. Chance of rain 30 percent. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 10 percent. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 70s. Chance of rain 10 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the mid 80s. Lows in the upper 70s. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs in the mid 80s. Lows in the upper 70s. .FRIDAY...Mostly sunny. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 70s. Chance of rain 10 percent. .SATURDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 10 percent. $$