


Zone Forecast Product
Issued by NWS Key West, FL
Issued by NWS Key West, FL
521 FPUS52 KKEY 020757 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 357 AM EDT Tue Sep 2 2025 FLZ076>078-022145- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 357 AM EDT Tue Sep 2 2025 .TODAY...Showers likely with a chance of thunderstorms. Highs near 90. West to northwest winds 10 to 15 mph, except briefly becoming southwest to west near 15 mph across the Upper Keys. Chance of rain 60 percent. .TONIGHT...Showers likely with a chance of thunderstorms. Lows near 80. West to northwest winds 10 to 15 mph, decreasing to near 10 mph. Chance of rain 60 percent. .WEDNESDAY...Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the upper 80s. West winds near 10 mph, becoming southwest to west 10 to 15 mph. Chance of rain 80 percent. .WEDNESDAY NIGHT...Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows near 80. West winds near 10 mph. Chance of rain 80 percent. .THURSDAY...Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the upper 80s. Southwest to west winds 10 to 15 mph. Chance of rain 80 percent. .THURSDAY NIGHT...Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows near 80. Chance of rain 80 percent. .FRIDAY...Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the upper 80s. Chance of rain 80 percent. .FRIDAY NIGHT THROUGH MONDAY...Mostly cloudy with a chance of showers and thunderstorms. Lows near 80. Highs near 90. Chance of rain 50 percent. $$