Expires:202601260030;;493805 FPUS52 KKEY 250859 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 359 AM EST Sun Jan 25 2026 FLZ076>078-260030- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 359 AM EST Sun Jan 25 2026 .TODAY...Mostly sunny. Highs near 80. East winds near 10 mph, becoming southeast. .TONIGHT...Partly cloudy with a slight chance of showers. Lows in the lower 70s. Southeast winds 5 to 10 mph, becoming south after midnight. Chance of rain 10 percent. .MONDAY...Increasing cloudiness. A slight chance of showers. Highs near 80. Southwest winds near 5 mph, becoming west near 15 mph in the afternoon. Chance of rain 10 percent. .MONDAY NIGHT...Decreasing cloudiness. A slight chance of showers early. Windy and much cooler. Less humid with lows in the mid to upper 50s. Northwest winds increasing to 20 to 25 mph. Chance of rain 10 percent. .TUESDAY...Mostly sunny. Windy early. Cooler with highs in the upper 60s. North winds 20 to 25 mph, decreasing to 10 to 15 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid to upper 50s. .WEDNESDAY...Partly to mostly cloudy with a slight chance of showers. Becoming breezy. Highs in the upper 60s. Chance of rain 10 percent. .WEDNESDAY NIGHT...Partly to mostly cloudy with a slight chance of showers. Breezy early. Lows in the mid 50s. Chance of rain 10 percent. .THURSDAY AND THURSDAY NIGHT...Mostly clear and breezy. Highs in the mid 60s. Lows in the mid 50s. .FRIDAY...Mostly sunny. Highs in the upper 60s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy with a slight chance of showers. Lows in the upper 50s. Highs near 70. Chance of rain 10 percent. $$