FPUS52 KKEY 132006 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 406 PM EDT Sat Jun 13 2026 FLZ076>078-141030- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 406 PM EDT Sat Jun 13 2026 .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows near 80. East to southeast winds 5 to 10 mph. Chance of rain 10 percent. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Southeast winds near 5 mph. Chance of rain 10 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 80s. Southeast to south winds near 5 mph. .MONDAY...Partly cloudy with a slight chance of showers and thunderstorms. Highs near 90. South to southwest winds near 5 mph. Chance of rain 10 percent. .MONDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the lower 80s. Highs in the upper 80s. .THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy with a slight chance of showers. Lows in the lower 80s. Highs in the upper 80s. Chance of rain 10 percent. $$ BT/AJP