Zone Forecast Product
Issued by NWS Key West, FL
Issued by NWS Key West, FL
551 FPUS52 KKEY 190741 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 341 AM EDT Wed Aug 19 2026 FLZ076>078-192030- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 341 AM EDT Wed Aug 19 2026 .TODAY...Mostly sunny. Highs in the lower 90s. Northwest winds 5 to 10 mph. .TONIGHT...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. Highs in the lower 90s. Southwest winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 80s. West winds 5 to 10 mph, becoming south. .FRIDAY...Mostly sunny. Highs near 90. South winds near 5 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 80s. .SATURDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 10 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the lower 80s. Chance of rain 10 percent. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 10 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 20 percent. .MONDAY...Mostly sunny with a slight chance of showers. Highs in the lower 90s. Chance of rain 10 percent. .MONDAY NIGHT...Mostly clear with a chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 30 percent. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 110. $$