| NWS Forecast for: Monroe Upper Keys Issued by: National Weather Service Key West, FL Last Update: 359 PM EDT Tue Aug 18 2026 |  |
| Tonight: Partly cloudy. Lows in the lower 80s. Northwest winds near 10 mph. In the upper keys, winds near 15 mph early, decreasing to near 10 mph. Wednesday: Mostly sunny. Highs in the lower 90s. Northwest winds 5 to 10 mph. Wednesday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 80s. Northwest winds 5 to 10 mph. Chance of rain 10 percent. Thursday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. West winds 5 to 10 mph. Chance of rain 10 percent. Thursday Night: Partly cloudy. Lows in the lower 80s. Southwest to west winds 5 to 10 mph, becoming southeast to south. Friday: Mostly sunny. Highs in the lower 90s. Friday Night: Mostly clear with a slight chance of showers. Lows in the lower 80s. 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: Mostly clear with a slight chance of showers. Lows in the lower 80s. Chance of rain 10 percent. Sunday And Sunday Night: Partly cloudy. A slight chance of showers and thunderstorms. Highs near 90. Lows in the lower 80s. Chance of rain 10 percent. Monday: Mostly sunny with a slight chance of showers. Highs in the lower 90s. Chance of rain 10 percent. Monday Night And Tuesday: Mostly clear. A slight chance of showers and thunderstorms. Lows in the lower 80s. Highs in the lower 90s. Chance of rain 20 percent. | |
| Zone Forecast: Monroe Upper Keys | |
Visit your local NWS office at: https://www.weather.gov/key |