Zone Forecast Product
Issued by NWS Key West, FL
Issued by NWS Key West, FL
008 FPUS52 KKEY 181959 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 359 PM EDT Tue Aug 18 2026 FLZ076>078-191115- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 359 PM EDT Tue Aug 18 2026 .TONIGHT...Partly cloudy. Lows in the lower 80s. Northwest winds near 10 mph. In the Upper Keys, winds near 15 mph early, decreasing to near 10 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 90s. Northwest winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Northwest winds 5 to 10 mph. Chance of rain 10 percent. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. West winds 5 to 10 mph. Chance of rain 10 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 80s. Southwest to west winds 5 to 10 mph, becoming southeast to south. .FRIDAY...Mostly sunny. Highs in the lower 90s. .FRIDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the lower 80s. Chance of rain 10 percent. .SATURDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 10 percent. .SATURDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the lower 80s. Chance of rain 10 percent. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms. Highs near 90. Lows in the lower 80s. Chance of rain 10 percent. .MONDAY...Mostly sunny with a slight chance of showers. Highs in the lower 90s. Chance of rain 10 percent. .MONDAY NIGHT AND TUESDAY...Mostly clear. A slight chance of showers and thunderstorms. Lows in the lower 80s. Highs in the lower 90s. Chance of rain 20 percent. $$