FNUS52 KKEY 090810 FWFKEY Fire Weather Planning Forecast for the Florida Keys National Weather Service Key West FL 410 AM EDT Sat May 9 2026 .Discussion... Light to gentle breezes will become variable off and on during the upcoming weekend. Rain chances will be near nil. Temperatures will remain above normal with highs in the upper 80s with near 90 degrees possible. Lows will struggle to near 80 during overnight hours. Despite the lack of showers, RH values are not forecast to drop below 60 percent. FLZ076>078-092330- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the cities of Key Largo, Marathon, and Key West 410 AM EDT Sat May 9 2026 Today Tonight Sun Cloud Cover Mclear Pcldy Pcldy Chance Precip (%) 0 0 0 Chance of Thunder (%) 0 0 0 Weather Type None None None Max/Min Temp 89 80 89 Min/Max RH % 63 85 66 Wind 20ft AM (mph) SE 6 SE 8 Wind 20ft PM (mph) SE 6 SE 7 SE 6 Precip Duration Precip Begin Precip End Precip Amount 0.00 0.00 0.00 Mixing Hgt(ft-agl) 3200 1500 2900 Transport Wnd (mph) SE 13 E 13 SE 15 Dispersion Index 40 16 40 Max LVORI 3 4 4 Remarks...None. $$ .FORECAST FOR DAYS 3 THROUGH 7... .SUNDAY NIGHT...Mostly cloudy. Lows in the lower 80s. Southeast winds around 5 mph. .MONDAY...Mostly sunny. Highs in the upper 80s. Southeast winds around 5 mph. .MONDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the lower 80s. Southwest winds around 5 mph. .TUESDAY...Mostly sunny with a slight chance of showers. Highs in the upper 80s. Northwest winds around 5 mph. .TUESDAY NIGHT...Mostly cloudy with a slight chance of showers. Lows around 80. South winds around 5 mph. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Northeast winds around 5 mph. .WEDNESDAY NIGHT...Mostly cloudy. Lows around 80. North winds around 5 mph. .THURSDAY...Mostly sunny with a slight chance of showers. Highs in the upper 80s. Northeast winds around 5 mph. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers. Lows in the upper 70s. North winds around 5 mph. .FRIDAY...Mostly sunny with a slight chance of showers. Highs in the upper 80s. North winds around 5 mph. $$ AJP