FPUS52 KKEY 241954 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 354 PM EDT Tue Mar 24 2026 FLZ076>078-251030- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 354 PM EDT Tue Mar 24 2026 .TONIGHT...Mostly clear. Lows in the mid to upper 60s. Variable winds near 5 mph, becoming north to northeast and increasing to 5 to 10 mph. .WEDNESDAY...Mostly sunny. Highs near 80. Northeast to east winds 5 to 10 mph, decreasing to near 5 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 60s. Northeast winds 5 to 10 mph. .THURSDAY...Mostly sunny with a slight chance of showers. Highs near 80. Northeast winds 5 to 10 mph. Chance of rain 10 percent. .THURSDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the near 70. Northeast to east winds 5 to 10 mph. Chance of rain 10 percent. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs near 80. Lows in the lower 70s. .SATURDAY NIGHT...Mostly clear with a slight chance of showers. Becoming breezy. Lows in the lower 70s. Chance of rain 10 percent. .SUNDAY...Partly cloudy with a slight chance of showers and thunderstorms. Windy. Highs in the upper 70s. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Windy. Lows in the lower 70s. Chance of rain 20 percent. .MONDAY...Partly sunny with a slight chance of showers. Windy. Highs in the upper 70s. Chance of rain 10 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy with a slight chance of showers. Windy. Lows in the lower 70s. Highs in the upper 70s. Chance of rain 20 percent. $$ LIW/AP