| NWS Forecast for: Union County Issued by: National Weather Service Jacksonville, FL Last Update: 1224 AM EDT Mon Jul 27 2026 |  |
Rest Of Tonight: Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. West winds around 5 mph. Chance of rain 20 percent. Monday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. West winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 109. Monday Night: Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the mid 70s. West winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 105 early in the evening. Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. West winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 112. Tuesday Night: Partly cloudy. Lows in the upper 70s. Southwest winds 5 to 10 mph. Heat index values up to 107 early in the evening. Wednesday: Mostly sunny. Showers and thunderstorms likely in the afternoon. Highs in the upper 90s. Chance of rain 60 percent. Heat index values up to 115. Wednesday Night: Showers likely. Thunderstorms likely, mainly in the evening. Lows in the mid 70s. Chance of rain 70 percent. Heat index values up to 105 early in the evening. Thursday And Thursday Night: Showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 80 percent. Heat index values up to 105. Friday And Friday Night: Mostly cloudy. Showers and thunderstorms likely. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 60 percent. Saturday Through Sunday: Showers and thunderstorms likely. Highs in the lower 90s. Lows in the lower 70s. Chance of rain 70 percent. | |
| Zone Forecast: Union County | |
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