| NWS Forecast for: Union County Issued by: National Weather Service Jacksonville, FL Last Update: 142 AM EDT Fri Aug 1 2025 |  |
Rest Of Tonight: Mostly clear. Lows in the mid 70s. Southwest winds around 5 mph. Friday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 109. Friday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 106 early in the evening. Saturday: Mostly sunny. A chance of showers in the morning, then showers and thunderstorms in the afternoon. Highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 80 percent. Heat index values up to 108. Saturday Night: Mostly cloudy. Showers and thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 70s. West winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 80 percent. Sunday And Sunday Night: Mostly cloudy. Showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 90 percent. Monday: Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 90 percent. Monday Night: Mostly cloudy with showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 90 percent. Tuesday And Tuesday Night: Partly cloudy. Showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 90 percent. Heat index values up to 105. Wednesday: Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 80 percent. Heat index values up to 105. Wednesday Night: Mostly cloudy with showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 80 percent. Thursday: Mostly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 80 percent. | |
| Zone Forecast: Union County | |
Visit your local NWS office at: https://www.weather.gov/jax |