FPUS52 KKEY 220900 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 400 AM EST Thu Feb 22 2024 FLZ076>078-230015- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 400 AM EST Thu Feb 22 2024 .TODAY...Sunny. Highs in the lower 70s. Northeast winds 5 to 10 mph, decreasing to near 5 mph in the afternoon. .TONIGHT...Mostly clear. Lows in the mid 60s. Light and variable winds, becoming southeast near 5 mph after midnight. .FRIDAY...Mostly sunny. Highs in the upper 70s. South to southwest winds 5 to 10 mph, becoming southwest and increasing to 10 to 15 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy to mostly cloudy with a chance of showers. Becoming breezy. Lows in the mid 60s. Southwest to west winds near 15 mph, increasing to 15 to 20 mph after midnight. Chance of rain 30 percent. .SATURDAY...Partly sunny with a slight chance of showers in the morning, then mostly sunny in the afternoon. Breezy. Highs in the mid 70s. Northwest winds 15 to 20 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly clear. Breezy. Lows 55 to 60. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs near 70. Lows in the lower 60s. .MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs in the mid to upper 70s. Lows in the upper 60s to near 70. .WEDNESDAY...Mostly sunny. Highs near 80. $$