| NWS Forecast for: Union County Issued by: National Weather Service Jacksonville, FL Last Update: 222 PM EDT Sun Jun 7 2026 | |
| This Afternoon: Mostly sunny. Highs in the mid 90s. East winds around 5 mph. Tonight: Mostly cloudy. Lows around 70. Southeast winds around 5 mph in the evening, becoming light and variable. Monday: Partly sunny. Highs in the mid 90s. Light and variable winds, becoming east around 5 mph in the afternoon. Monday Night: Mostly cloudy. Lows in the lower 70s. East winds 5 to 10 mph. Tuesday: Patchy fog in the morning. Partly sunny. Highs in the upper 80s. East winds 5 to 10 mph. Tuesday Night: Mostly cloudy. Lows in the lower 70s. Wednesday And Wednesday Night: Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 20 percent. Thursday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 50 percent. Thursday Night: Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of rain 50 percent. Friday: Partly sunny. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 90s. Chance of rain 60 percent. Friday Night And Saturday: Partly cloudy. Showers and thunderstorms likely. Lows in the lower 70s. Highs in the mid 90s. Chance of rain 60 percent. Heat index values up to 105. | |
| Zone Forecast: Union County | |
Visit your local NWS office at: https://www.weather.gov/jax |