| NWS Forecast for: Union County Issued by: National Weather Service Greenville-Spartanburg, SC Last Update: 633 AM EST Sat Feb 28 2026 | |
| Today: Cloudy this morning, then becoming partly sunny. Areas of fog this morning. Highs in the upper 60s. North winds around 5 mph. Tonight: Mostly clear. Lows in the mid 40s. Light and variable winds, becoming southwest around 5 mph after midnight. Sunday: Sunny. Highs in the mid 70s. West winds 5 to 10 mph. Sunday Night: Mostly cloudy. Lows in the lower 40s. North winds 10 to 15 mph. Monday: Mostly cloudy. Much cooler with highs around 50. Northeast winds 10 to 15 mph. Monday Night: Cloudy. Lows in the mid 30s. Tuesday: Cloudy. Highs in the lower 50s. Tuesday Night: Mostly cloudy. Lows in the mid 40s. Wednesday: Mostly cloudy. Not as cool with highs in the lower 70s. Wednesday Night: Mostly cloudy. Lows in the lower 50s. Thursday: Mostly cloudy with a 40 percent chance of rain. Highs in the mid 70s. Thursday Night: Mostly cloudy. Lows in the upper 50s. Friday: Mostly cloudy with a 40 percent chance of rain. Highs in the upper 70s. | |
| Zone Forecast: Union County | |
Visit your local NWS office at: https://www.weather.gov/gsp/ |