642 FPUS52 KKEY 010800 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 400 AM EDT Sun Jun 1 2025 FLZ076>078-012215- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 400 AM EDT Sun Jun 1 2025 .TODAY...Partly sunny this morning, then becoming mostly cloudy. A chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Southwest to west winds 5 to 10 mph, decreasing to near 5 mph in the afternoon. Chance of rain 30 percent. .TONIGHT...Partly to mostly cloudy with a chance of showers and thunderstorms. Lows near 80. Southwest to west winds near 5 mph, becoming south to southwest and increasing to 5 to 10 mph. Chance of rain 50 percent. .MONDAY...Showers and thunderstorms likely. Locally heavy rainfall possible. Highs in the mid 80s. South to southwest winds 5 to 10 mph, increasing to near 10 mph. Chance of rain 80 percent. .MONDAY NIGHT...Showers likely with a chance of thunderstorms. Locally heavy rainfall possible. Lows in the mid to upper 70s. South to southwest winds 10 to 15 mph, becoming southeast and decreasing to 5 to 10 mph. Chance of rain 80 percent. .TUESDAY...Showers likely with a chance of thunderstorms. Locally heavy rainfall possible. Highs in the mid 80s. East to southeast winds near 10 mph. Chance of rain 80 percent. .TUESDAY NIGHT...Showers likely with a chance of thunderstorms. Locally heavy rainfall possible. Lows in the upper 70s. Chance of rain 70 percent. .WEDNESDAY...Cloudy with a chance of showers and thunderstorms. Highs in the mid to upper 80s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Chance of rain 40 percent. .THURSDAY THROUGH FRIDAY...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the mid to upper 80s. Lows in the upper 70s. Chance of rain 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly to mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows near 80. Highs in the upper 80s. Chance of rain 40 percent. $$ MJV