FPUS52 KKEY 131958 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 358 PM EDT Wed May 13 2026 FLZ076>078-140945- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 358 PM EDT Wed May 13 2026 .TONIGHT...Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Southwest to west winds near 15 mph, becoming west. Chance of rain 30 percent. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid to upper 80s. West to northwest winds 10 to 15 mph. Chance of rain 10 percent. .THURSDAY NIGHT...Mostly clear. Lows near 80. Northwest winds 10 to 15 mph, decreasing to 5 to 10 mph. .FRIDAY...Mostly sunny. Highs in the upper 80s. Northwest to north winds near 5 mph, becoming light and variable. .FRIDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows near 80. Light and variable winds, becoming east to southeast and increasing to 5 to 10 mph. Chance of rain 10 percent. .SATURDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 10 percent. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows near 80. Highs in the upper 80s. Chance of rain 20 percent. .MONDAY...Mostly sunny with a slight chance of showers and thunderstorms. Becoming breezy. Highs in the mid to upper 80s. Chance of rain 10 percent. .MONDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Breezy. Lows near 80. Chance of rain 20 percent. .TUESDAY AND TUESDAY NIGHT...Mostly sunny with a slight chance of showers and thunderstorms. Breezy at times. Highs in the mid to upper 80s. Lows near 80. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid to upper 80s. Chance of rain 10 percent. $$ BT/AJP