FPUS52 KKEY 151951 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 351 PM EDT Mon Jun 15 2026 FLZ076>078-160945- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 351 PM EDT Mon Jun 15 2026 .TONIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Variable winds near 5 mph, becoming southeast to south. Chance of rain 10 percent. .TUESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. South winds near 5 mph. Chance of rain 10 percent. .TUESDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 80s. Southeast to south winds near 5 mph. Chance of rain 10 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. South winds near 5 mph. Chance of rain 10 percent. .WEDNESDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 10 percent. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 10 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 80s. .JUNETEENTH THROUGH SUNDAY NIGHT...Mostly clear. Highs in the upper 80s. Lows in the lower 80s. .MONDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 10 percent. $$ DP