| NWS Forecast for: Monroe Upper Keys Issued by: National Weather Service Key West, FL Last Update: 429 PM EDT Tue Jul 7 2026 | |
| Tonight: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. East winds 5 to 10 mph. Chance of rain 20 percent. Wednesday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. East winds 10 to 15 mph. Chance of rain 10 percent. Heat index values up to 109. Wednesday Night: Partly cloudy. Lows in the mid 80s. Southeast winds 10 to 15 mph. Thursday: Sunny. Highs in the lower 90s. East winds 10 to 15 mph. Heat index values up to 111. Thursday Night: Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 80s. East winds near 15 mph. Chance of rain 20 percent. Friday: Sunny with a chance of showers and a slight chance of thunderstorms. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 110. Friday Night: Partly cloudy and breezy. Lows in the lower 80s. Saturday: Mostly sunny with a slight chance of showers. Highs in the lower 90s. Chance of rain 10 percent. Heat index values up to 110. Saturday Night And Sunday: Partly cloudy. Lows in the mid 80s. Highs in the lower 90s. Heat index values up to 110. Sunday Night Through Monday Night: Mostly clear. Lows in the mid 80s. Highs in the lower 90s. Tuesday: Sunny with a slight chance of showers. Highs in the lower 90s. Chance of rain 10 percent. | |
| Zone Forecast: Monroe Upper Keys | |
Visit your local NWS office at: https://www.weather.gov/key |