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City of Sumter, SCSumter, SC 7-Day Night Weather Forecast
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Sumter, SC Weather Forecast
Sumter, SC Weather Forecast Date: 708 PM EST Thu Nov 05 2026
The area/counties/county of: Sumter, including the city of Sumter.or toggle through each period.
Tonight... Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. South winds around 5 mph. Chance of rain 20%.
Friday... Mostly cloudy with showers likely with a chance of thunderstorms in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds around 5 mph, becoming west in the afternoon. Chance of rain 70%.
Friday Night... Partly cloudy. Lows in the mid 50s. Light and variable winds, becoming north around 5 mph after midnight.
Saturday... Sunny. Less humid with highs in the lower 70s. North winds 5 to 10 mph.
Saturday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 40s. Northeast winds around 5 mph.
Sunday... Sunny. Highs around 70.
Sunday Night... Mostly clear. Lows around 40.
Monday... Sunny. Highs in the mid 70s.
Monday Night... Mostly clear. Lows in the lower 40s.
Tuesday... Mostly sunny. Highs in the mid 70s.
Tuesday Night... Partly cloudy in the evening, then clearing. Lows in the lower 40s.
Veterans Day... Sunny. Highs in the mid 70s.
Wednesday Night... Mostly clear. Lows in the lower 40s.
POP = Probability of Precipitation
Sumter Radar Loop
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