| NWS Forecast for: Union County Issued by: National Weather Service Greenville-Spartanburg, SC Last Update: 333 AM EDT Fri Jul 31 2026 | |
| Today: Sunny. Highs in the lower 90s. North winds around 5 mph, becoming west this afternoon. Tonight: Partly cloudy. Lows around 70. South winds around 5 mph. Saturday: Partly sunny. Humid with highs in the lower 90s. South winds 5 to 10 mph. Saturday Night: Mostly cloudy. A chance of showers after midnight. Lows in the lower 70s. Southeast winds 10 to 15 mph. Chance of rain 40 percent. Sunday: Mostly cloudy. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 90 percent. Sunday Night: A chance of thunderstorms. Showers. Lows in the lower 70s. Chance of rain 90 percent. Monday: Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 80 percent. Monday Night: Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows around 70. Chance of rain 70 percent. Tuesday: Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 60 percent. Tuesday Night: Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms. Showers likely, mainly in the evening. Lows in the lower 70s. Chance of rain 60 percent. Wednesday: Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. Wednesday Night: Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the lower 70s. Chance of rain 50 percent. Thursday: Mostly sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. Heat index values up to 100 in the afternoon. | |
| Zone Forecast: Union County | |
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