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City of Sumter, SCSumter, SC 7-Day Weather Forecast
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Sumter Weather Forecast
Sumter, SC Weather Forecast Date: 1008 PM EDT Mon Sep 07 2026
Weather forecast for Sumter, SC
Tonight Lo: 69°F Lo: 21°C |
Tonight... Mostly clear. Lows in the upper 60s. Northeast winds 5 to 10 mph. |
Tue Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Tuesday... Sunny. Highs around 90. Northeast winds 5 to 10 mph. |
| Wed Hi: 91°FHi: 33°C Lo: 70°F Lo: 21°C |
Wednesday... Mostly sunny. Highs in the lower 90s. East winds around 5 mph. |
| Thu Hi: 91°FHi: 33°C Lo: 71°F Lo: 22°C |
Thursday... Sunny. Highs in the lower 90s. |
Fri Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Friday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40%. |
| Sat Hi: 91°FHi: 33°C Lo: 71°F Lo: 22°C |
Saturday... Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50%. |
| Sun Hi: 91°FHi: 33°C Lo: 71°F Lo: 22°C |
Sunday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40%. |
Sumter Radar Loop
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