FPUS52 KKEY 171958 ZFPKEY Zone Forecasts for the Florida Keys National Weather Service Key West FL 358 PM EDT Wed Jun 17 2026 FLZ076>078-181045- Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys- Including the communities of Key Largo, Marathon, and Key West 358 PM EDT Wed Jun 17 2026 .TONIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 80s. Southeast to south winds near 10 mph, decreasing to 5 to 10 mph. Chance of rain 10 percent. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Southeast winds near 10 mph. Chance of rain 10 percent. .THURSDAY NIGHT...Mostly clear. Lows in the lower 80s. Southeast winds near 10 mph. .JUNETEENTH...Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Southeast winds near 10 mph, decreasing to 5 to 10 mph. Chance of rain 10 percent. .FRIDAY 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. .SATURDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 10 percent. .SATURDAY NIGHT THROUGH MONDAY...Mostly clear. Lows in the lower 80s. Highs near 90. .MONDAY NIGHT...Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 10 percent. .TUESDAY...Mostly sunny with a slight chance of showers. Highs near 90. Chance of rain 10 percent. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs near 90. Chance of rain 10 percent. $$