FPUS52 KKEY 062059 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 359 PM EST Fri Feb 6 2026 FLZ076>078-071145- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 359 PM EST Fri Feb 6 2026 .TONIGHT...Mostly clear. Lows in the upper 50s, except in the lower 50s in the Upper Keys. West to northwest winds near 10 mph, increasing to 10 to 15 mph. .SATURDAY...Mostly sunny. Highs in the lower 70s. Northwest winds 10 to 15 mph. .SATURDAY NIGHT...Mostly clear. Lows in the mid to upper 50s. North winds 10 to 15 mph, becoming northeast and increasing to near 15 mph. .SUNDAY...Mostly sunny. Highs in the lower 70s. Northeast winds 10 to 15 mph, decreasing to near 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Northeast winds 5 to 10 mph. .MONDAY...Mostly sunny. Highs in the lower 70s. .MONDAY NIGHT THROUGH FRIDAY...Mostly clear. Lows in the lower 60s. Highs in the mid 70s. $$