| NWS Forecast for: Sumter County Issued by: National Weather Service Columbia, SC Last Update: 908 AM EDT Sun Oct 11 2026 | |
| Rest Of Today: Partly sunny with a slight chance of thunderstorms. A chance of showers late this morning, then a slight chance of showers this afternoon. Highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. Tonight: Partly cloudy in the evening, then clearing. Lows in the lower 60s. West winds 10 to 15 mph. Columbus Day: Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph. Monday Night: Mostly clear. Lows in the upper 50s. North winds around 5 mph. Tuesday: Sunny. Highs in the mid 80s. North winds around 5 mph in the morning, becoming light and variable. Tuesday Night: Clear. Lows around 60. Wednesday: Sunny. Highs in the upper 80s. Wednesday Night: Clear. Lows in the lower 60s. Thursday: Sunny. Highs in the upper 80s. Thursday Night: Clear. Lows in the lower 60s. Friday: Sunny. Highs in the mid 80s. Friday Night: Mostly clear. Lows in the upper 50s. Saturday: Mostly sunny. Highs in the mid 70s. | |
| Zone Forecast: Sumter County | |
Visit your local NWS office at: https://www.weather.gov/cae/ |