FPUS52 KKEY 032101 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 401 PM EST Sat Jan 3 2026 FLZ076>078-041345- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 401 PM EST Sat Jan 3 2026 .TONIGHT...Mostly clear. Lows 60 to 65. Southwest to west winds near 5 mph. .SUNDAY...Partly cloudy with a slight chance of showers. Highs in the mid to upper 70s. Southwest to west winds 5 to 10 mph, becoming west. Chance of rain 10 percent. .SUNDAY NIGHT...Mostly clear. Lows in the mid to upper 60s. West to northwest winds 5 to 10 mph, becoming north. .MONDAY...Mostly sunny. Highs in the mid 70s. North to northeast winds near 5 mph, becoming northeast to east. .MONDAY NIGHT...Mostly clear. Lows in the upper 60s. Northeast to east winds near 5 mph. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the mid to upper 70s. Lows in the upper 60s. .WEDNESDAY THROUGH SATURDAY...Partly cloudy. Highs in the upper 70s. Lows near 70. $$ MJV/BT