109 FPUS52 KKEY 052005 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 405 PM EDT Fri Jun 5 2026 FLZ076>078-060945- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 405 PM EDT Fri Jun 5 2026 .TONIGHT...Mostly cloudy. A chance of showers and a slight chance of thunderstorms, mainly early. Lows in the upper 70s. East winds 10 to 15 mph. Chance of rain 30 percent. .SATURDAY...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Highs in the mid to upper 80s. East winds 10 to 15 mph. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. East winds 10 to 15 mph. Chance of rain 30 percent. .SUNDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 80s. East to southeast winds near 10 mph. Chance of rain 20 percent. .MONDAY...Partly sunny with a chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 20 percent. .TUESDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid to upper 80s. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows near 80. Chance of rain 50 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Showers likely with a chance of thunderstorms. Highs in the mid to upper 80s. Lows in the upper 70s. Chance of rain 60 percent. .THURSDAY...Showers likely with a chance of thunderstorms. Highs in the mid to upper 80s. Chance of rain 70 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers. Lows near 80. Chance of rain 50 percent. .FRIDAY...Showers likely with a chance of thunderstorms. Breezy with highs in the mid to upper 80s. Chance of rain 60 percent. $$ CLR