| NWS Forecast for: Sumter County Issued by: National Weather Service Columbia, SC Last Update: 208 PM EDT Sun Jul 26 2026 | |
| This Afternoon: Showers and thunderstorms likely. Near steady temperature in the mid 80s. East winds around 5 mph. Chance of rain 70 percent. Tonight: Partly cloudy. A chance of showers and thunderstorms in the evening. Patchy fog after midnight. Humid with lows in the lower 70s. Light and variable winds. Chance of rain 40 percent. Monday: Patchy fog in the morning. Partly sunny. Humid with highs in the lower 90s. Light and variable winds. Monday Night: Partly cloudy in the evening, then clearing. Lows in the lower 70s. Light and variable winds, becoming south around 5 mph after midnight. Tuesday: Mostly sunny. Humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Tuesday Night: Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent. Wednesday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Wednesday Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. Chance of rain 30 percent. Thursday: Sunny. Highs in the lower 90s. Thursday Night: Mostly clear. Lows in the lower 70s. Friday: Sunny. Highs in the lower 90s. Friday Night: Partly cloudy. Lows in the lower 70s. Saturday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. | |
| Zone Forecast: Sumter County | |
Visit your local NWS office at: https://www.weather.gov/cae/ |