FPUS52 KKEY 081956 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 356 PM EDT Wed Jul 8 2026 FLZ076>078-091115- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 356 PM EDT Wed Jul 8 2026 .TONIGHT...Partly cloudy. Lows in the mid 80s. Southeast winds 10 to 15 mph, increasing to near 15 mph. .THURSDAY...Sunny. Highs in the lower 90s. East winds 10 to 15 mph. .THURSDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Becoming breezy. Lows in the mid 80s. East winds near 15 mph, increasing to 15 to 20 mph. Chance of rain 20 percent. .FRIDAY...Mostly sunny with a chance of showers and thunderstorms. Highs near 90. East winds near 15 mph. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower to mid 80s. East to southeast winds near 15 mph, decreasing to 10 to 15 mph. Chance of rain 40 percent. .SATURDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 80s. .SUNDAY THROUGH MONDAY NIGHT...Mostly clear. Highs in the lower 90s. Lows in the lower 80s. Heat index values up to 110. .TUESDAY...Sunny with a slight chance of showers. Highs near 90. Chance of rain 10 percent. .TUESDAY NIGHT...Mostly clear. Lows in the mid 80s. .WEDNESDAY...Sunny with a slight chance of showers. Highs in the lower 90s. Chance of rain 10 percent. $$