FPUS52 KKEY 191951 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 351 PM EDT Sat Jul 19 2025 FLZ076>078-201045- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 351 PM EDT Sat Jul 19 2025 .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 80s. East winds near 10 mph. Chance of rain 10 percent. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. East winds near 10 mph. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 80s. East winds 5 to 10 mph. Chance of rain 20 percent. .MONDAY...Mostly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. East winds near 5 mph. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds near 5 mph. Chance of rain 20 percent. .TUESDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Chance of rain 30 percent. .WEDNESDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Chance of rain 40 percent. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Highs in the upper 80s. Chance of rain 40 percent. .THURSDAY NIGHT...Mostly clear with a chance of showers and a slight chance of thunderstorms. Lows in the lower 80s. Chance of rain 30 percent. .FRIDAY AND FRIDAY NIGHT...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Lows in the lower 80s. Chance of rain 20 percent. .SATURDAY...Mostly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Chance of rain 30 percent. $$