FPUS52 KKEY 272058 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 358 PM EST Fri Feb 27 2026 FLZ076>078-280900- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 358 PM EST Fri Feb 27 2026 .TONIGHT...Partly cloudy with a slight chance of showers. Lows in the mid to upper 60s. East to southeast winds 5 to 10 mph, decreasing to near 5 mph. Chance of rain 10 percent. .SATURDAY...Partly cloudy with a slight chance of showers. Highs in the lower 80s. Variable winds near 5 mph. Chance of rain 10 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 60s. Variable winds near 5 mph, becoming north to northeast 5 to 10 mph. Chance of rain 20 percent. .SUNDAY...Mostly sunny with a slight chance of showers. Highs in the upper 70s. Northeast winds 5 to 10 mph. Chance of rain 10 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers. Lows near 70. Northeast to east winds near 10 mph, increasing to 10 to 15 mph. Chance of rain 20 percent. .MONDAY THROUGH TUESDAY...Mostly clear with a slight chance of showers. Highs near 80. Lows in the lower 70s. Chance of rain 10 percent. .TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the lower 70s. Highs near 80. Chance of rain 20 percent. .THURSDAY...Mostly sunny with a slight chance of showers. Highs in the lower 80s. Chance of rain 10 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the lower 70s. Chance of rain 20 percent. .FRIDAY...Mostly sunny with a slight chance of showers. Highs in the lower 80s. Chance of rain 10 percent. $$