| NWS Forecast for: Chester County Issued by: National Weather Service Greenville-Spartanburg, SC Last Update: 659 AM EDT Tue Jul 21 2026 |  |
| Today: Mostly sunny. Hot with highs in the mid 90s. Southwest winds 10 to 15 mph. Heat index values up to 102. Tonight: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 70s. Southwest winds 10 to 15 mph. Wednesday: Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 40 percent. Wednesday Night: Showers with a chance of thunderstorms. Lows around 70. Southwest winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 90 percent. Thursday: Showers with a chance of thunderstorms. Humid with highs in the lower 80s. West winds around 5 mph, becoming northeast in the afternoon. Chance of rain 90 percent. Thursday Night: Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 80 percent. Friday: Mostly cloudy. Showers likely in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70 percent. Friday Night: A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent. Saturday: Showers likely. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70 percent. Saturday Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 70 percent. Sunday: Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. Sunday Night: Mostly clear. A chance of showers and thunderstorms in the evening. Lows around 70. Chance of rain 30 percent. Monday: Sunny. Highs in the lower 90s. Heat index values up to 100. | |
| Zone Forecast: Chester County | |
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