FPUS52 KKEY 240909 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 409 AM EST Tue Feb 24 2026 FLZ076-250045- Monroe Upper Keys- Including the communities of Key Largo 409 AM EST Tue Feb 24 2026 .TODAY...Sunny. Windy early. Highs in the lower to mid 60s. North winds 20 to 25 mph, becoming northeast 5 to 10 mph this afternoon. .TONIGHT...Mostly clear. Lows in the lower to mid 50s. Northeast winds near 5 mph. .WEDNESDAY...Mostly sunny. Not as cool with highs in the lower 70s. East to southeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Not as cool with lows in the mid to upper 60s. Southeast winds 10 to 15 mph. .THURSDAY...Mostly sunny. Highs in the upper 70s. Southeast winds near 10 mph. .THURSDAY NIGHT AND FRIDAY...Mostly clear with a slight chance of showers. Lows in the lower 70s. Highs near 80. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY THROUGH MONDAY...Partly cloudy with a slight chance of showers. Highs near 80. Lows near 70. Chance of rain 20 percent. $$ FLZ077-078-250045- Monroe Middle Keys-Monroe Lower Keys- Including the communities of Marathon and Key West 409 AM EST Tue Feb 24 2026 .TODAY...Sunny, breezy with highs in the lower to mid 60s. North winds 20 to 25 mph, decreasing to near 10 mph this afternoon. .TONIGHT...Mostly clear. Lows in the lower to mid 50s. Northeast to east winds near 5 mph. .WEDNESDAY...Mostly sunny. Not as cool with highs in the mid 70s. Southeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Not as cool with lows in the mid to upper 60s. Southeast winds 10 to 15 mph. .THURSDAY...Mostly sunny. Highs in the upper 70s. Southeast winds near 10 mph. .THURSDAY NIGHT AND FRIDAY...Mostly clear with a slight chance of showers. Lows in the lower 70s. Highs near 80. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the lower 70s. Chance of rain 20 percent. .SATURDAY THROUGH MONDAY...Partly cloudy with a slight chance of showers. Highs near 80. Lows near 70. Chance of rain 20 percent. $$