FPUS52 KKEY 290940 AAA ZFPKEY Zone Forecasts for the Florida Keys...UPDATED National Weather Service Key West FL 540 AM EDT Wed Apr 29 2026 FLZ076>078-292030- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 540 AM EDT Wed Apr 29 2026 Cleaned up wording through the extended .TODAY...Mostly sunny with a slight chance of showers. Highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 10 percent. .TONIGHT...Mostly clear with a slight chance of showers. Lows in the mid 70s. Southeast winds near 5 mph. Chance of rain 10 percent. .THURSDAY...Mostly sunny. Highs in the lower 80s. South winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Southeast winds near 5 mph. .FRIDAY...Mostly sunny. Highs in the mid 80s. Southeast winds 5 to 10 mph. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the upper 70s. Highs in the mid 80s. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 70s. Chance of rain 10 percent. .SUNDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 30 percent. .MONDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 40 percent. .TUESDAY...Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20 percent. $$