| NWS Forecast for: Gaston County Issued by: National Weather Service Greenville-Spartanburg, SC Last Update: 654 AM EDT Mon Jul 20 2026 | |
| Today: Mostly sunny. A chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 40 percent. Heat index values up to 101. Tonight: Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 30 percent. Tuesday: Mostly sunny in the morning, then becoming partly sunny. Humid with highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 101. Tuesday Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 70s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 30 percent. Wednesday: Mostly cloudy. A chance of showers in the morning, then showers with thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. Heat index values up to 100. Wednesday Night: Showers. Thunderstorms likely, mainly in the evening. Lows in the upper 60s. Chance of rain 90 percent. Thursday: Showers likely. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70 percent. Thursday Night: Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows in the mid 60s. Chance of rain 60 percent. Friday: Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. Friday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. Saturday: Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent. Saturday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 50 percent. Sunday: Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. | |
| Zone Forecast: Gaston County | |
Visit your local NWS office at: https://www.weather.gov/gsp/ |