| NWS Forecast for: Union County Issued by: National Weather Service Wilmington, OH Last Update: 405 PM EDT Sat Sep 19 2026 | |
Tonight: Mostly cloudy. A chance of showers and thunderstorms this evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. South winds around 5 mph. Chance of rain 50 percent. Sunday: Partly cloudy. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Southwest winds around 5 mph, becoming west in the afternoon. Chance of rain 50 percent. Sunday Night: Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 60 percent. Monday: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Cooler with highs around 70. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. Monday Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Tuesday: Mostly cloudy with a 40 percent chance of showers. Highs in the lower 70s. Tuesday Night: Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s. Wednesday: Mostly cloudy. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 70. Chance of rain 50 percent. Wednesday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 50 percent. Thursday: Mostly cloudy. Highs around 70. Thursday Night: Partly cloudy. Lows in the mid 50s. Friday: Partly cloudy. Highs in the lower 70s. Friday Night: Partly cloudy. Lows in the lower 50s. Saturday: Partly cloudy in the morning, then clearing. Highs in the mid 70s. | |
| Zone Forecast: Union County | |
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