10-Day Weather Forecast - Sumter, SC

Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.

Mostly clear. Lows in the mid 70s. Southwest winds around 5 mph.

Mostly sunny. Highs in the upper 90s. Southwest winds around 5 mph.

Partly cloudy in the evening then clearing. Lows in the upper 70s. Southwest winds around 5 mph.

Mostly sunny. Highs in the upper 90s.

Partly cloudy. Lows in the upper 70s.

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent.

Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the upper 70s. Chance of rain 30 percent.

Sunny in the morning then partly sunny with showers and thunderstorms likely in the afternoon. Highs in the upper 90s. Chance of rain 60 percent. Heat index values up to 110.

Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.

Partly sunny in the morning then mostly cloudy with showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 60 percent.

Mostly cloudy with showers and thunderstorms likely in the evening then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 60 percent.

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent.

Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 75F. Dew point will be around 73F with an average humidity of 83%. Winds will be 2 mph from the SE.

Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 92F. Dew point will be around 75F with an average humidity of 72%. Winds will be 2 mph from the E.

Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 75F. Dew point will be around 73F with an average humidity of 81%. Winds will be 2 mph from the SW.

Mostly sunny with scattered thunderstorms. Chance of storms 45%. High temperature around 93F. Dew point will be around 75F with an average humidity of 70%. Winds will be 1 mph from the S.

Partly cloudy with a 50% chance for rain and thunderstorms. Low temperature around 77F. Dew point will be around 73F with an average humidity of 80%. Winds will be 2 mph from the S.