| NWS Forecast for: Union County Issued by: National Weather Service Jacksonville, FL Last Update: 617 PM EST Sat Jan 10 2026 | |
| Tonight: Clear this evening, then mostly cloudy with a chance of showers after midnight. Patchy fog after midnight. Lows around 60. Southwest winds 5 to 10 mph. Chance of rain 30 percent. Sunday: Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Cooler. Less humid with highs in the upper 60s. Northwest winds 10 to 15 mph. Chance of rain 50 percent. Sunday Night: Mostly cloudy. Much cooler with lows in the mid 30s. North winds 5 to 10 mph. Monday: Mostly sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph. Monday Night: Partly cloudy. Patchy frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph. Tuesday: Mostly sunny. Highs in the mid 60s. Tuesday Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 40s. Chance of rain 20 percent. Wednesday And Wednesday Night: Mostly cloudy with a 40 percent chance of showers. Highs in the lower 60s. Lows in the lower 40s. Thursday: Mostly sunny with a 40 percent chance of showers. Highs in the upper 50s. Thursday Night: Mostly clear. Patchy frost after midnight. Colder with lows in the upper 20s. Friday: Patchy frost in the morning. Sunny. Highs in the upper 50s. Friday Night And Saturday: Mostly clear. Lows in the mid 30s. Highs in the mid 60s. | |
| Zone Forecast: Union County | |
Visit your local NWS office at: https://www.weather.gov/jax |