Expires:202601020000;;597764 FPUS52 KKEY 010900 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 400 AM EST Thu Jan 1 2026 FLZ077-078-020000- Monroe Middle Keys-Monroe Lower Keys- Including the communities of Marathon and Key West 400 AM EST Thu Jan 1 2026 .TODAY...Partly sunny this morning, then becoming mostly sunny. Highs in the mid to upper 60s. Northwest to north winds 10 to 15 mph, decreasing to 5 to 10 mph. .TONIGHT...Mostly clear. Lows near 60. Northwest to north winds 5 to 10 mph, becoming north to northeast. .FRIDAY...Mostly sunny. Highs in the upper 60s. North to northeast winds near 5 mph, becoming light and variable. .FRIDAY NIGHT...Mostly clear. Lows in the lower 60s. Light and variable winds. .SATURDAY...Mostly sunny. Highs in the lower to mid 70s. Light and variable winds, becoming southwest near 5 mph in the afternoon. .SATURDAY NIGHT AND SUNDAY...Mostly clear with a slight chance of showers. Lows in the mid to upper 60s. Highs in the mid 70s. Chance of rain 10 percent. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the mid to upper 60s. Highs in the mid 70s. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the upper 60s. Highs in the mid 70s. $$