| NWS Forecast for: Sumter County Issued by: National Weather Service Columbia, SC Last Update: 509 PM EDT Sun Oct 11 2026 | |
| Tonight: Partly cloudy this evening, then clearing. Lows in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Columbus Day: Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph. Monday Night: Mostly clear. Lows around 60. Northwest 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. Light and variable winds. Wednesday: Sunny. Highs in the upper 80s. Wednesday Night: Clear. Lows in the lower 60s. Thursday: Sunny. Highs in the upper 80s. Thursday Night: Mostly clear. Lows in the mid 60s. Friday: Sunny. Highs in the upper 80s. Friday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Saturday: Mostly sunny. Cooler with highs around 70. Saturday Night: Mostly clear. Lows in the mid 40s. Sunday: Sunny. Highs in the mid 60s. | |
| Zone Forecast: Sumter County | |
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