FPUS52 KKEY 301955 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 355 PM EDT Mon Mar 30 2026 FLZ076>078-311045- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 355 PM EDT Mon Mar 30 2026 .TONIGHT...Partly to mostly cloudy with a chance of showers and a slight chance of thunderstorms. Breezy. Lows in the mid 70s. East winds 15 to 20 mph. Chance of rain 30 percent. .TUESDAY...Partly cloudy in the morning, then becoming mostly sunny. A slight chance of showers. Breezy, becoming windy. Highs in the lower 80s. East winds 15 to 20 mph, increasing to near 20 mph. Chance of rain 20 percent. .TUESDAY NIGHT...Partly to mostly cloudy with a chance of showers. Windy. Lows in the mid 70s. East winds near 20 mph. Chance of rain 30 percent. .WEDNESDAY...Mostly cloudy with a slight chance of showers. Breezy. Highs in the lower 80s. East winds 15 to 20 mph. Chance of rain 20 percent. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Breezy. Lows in the mid 70s. East winds 15 to 20 mph. Chance of rain 20 percent. .THURSDAY AND THURSDAY NIGHT...Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Windy. Highs in the lower 80s. Lows in the mid 70s. Chance of rain 30 percent. .FRIDAY...Partly cloudy with a slight chance of showers and thunderstorms. Windy. Highs in the lower 80s. Lows in the lower 70s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Windy. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY...Partly cloudy with a slight chance of showers and thunderstorms. Breezy. Highs in the lower 80s. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 10 percent. .SUNDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the lower 70s. Chance of rain 10 percent. .MONDAY...Sunny. Highs near 80. $$