FNUS52 KKEY 281024 FWFKEY Fire Weather Planning Forecast for the Florida Keys National Weather Service Key West FL 524 AM EST Sat Feb 28 2026 .Discussion... Light east to southeasterly surface winds become light and variable today. High dew points will provide an opportunity for some fog development this evening. Thereafter, winds will clock northeast and strengthen modestly. This will result in a prolonged period of slightly above normal temperatures with relative humidity remaining well above 50%. Rain chances will be slight. FLZ076>078-010115- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key Largo, Marathon, and Key West 524 AM EST Sat Feb 28 2026 Today Tonight Sun Cloud Cover Pcldy Mcldy Pcldy Chance Precip (%) 0 10 10 Chance of Thunder (%) 0 0 0 Weather Type None Showers Showers Max/Min Temp 80 68 77 Min/Max RH % 73 99 71 Wind 20ft AM (mph) Lgt/Var N 5 Wind 20ft PM (mph) Lgt/Var Lgt/Var NE 6 Precip Duration 1 1 Precip Begin 7 PM Continuing Precip End Continuing Continuing Precip Amount 0.00 0.00 0.01 Mixing Hgt(ft-agl) 1800 800 1800 Transport Wnd (mph) SW 9 W 8 NE 12 Dispersion Index 16 4 13 Max LVORI Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .SUNDAY NIGHT...Partly cloudy with a slight chance of showers. Lows around 70. Northeast winds around 10 mph. .MONDAY...Sunny with a slight chance of showers. Highs in the upper 70s. Northeast winds around 10 mph. .MONDAY NIGHT...Mostly clear with a slight chance of showers. Lows around 70. Northeast winds around 10 mph. .TUESDAY...Sunny with a slight chance of showers. Highs in the upper 70s. Northeast winds around 10 mph. .TUESDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the lower 70s. East winds around 10 mph. .WEDNESDAY...Sunny with a slight chance of showers. Highs in the upper 70s. East winds around 10 mph. .WEDNESDAY NIGHT...Mostly clear with a slight chance of showers. Lows in the lower 70s. East winds around 10 mph. .THURSDAY...Sunny with a slight chance of showers. Highs in the upper 70s. East winds around 10 mph. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the lower 70s. East winds around 10 mph. .FRIDAY...Mostly sunny with a slight chance of showers. Highs in the upper 70s. East winds around 10 mph. $$