10-Day Weather Forecast - Sumter, SC

Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. West winds around 5 mph. Chance of rain 40 percent. Heat index values up to 110.

Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Humid with lows in the mid 70s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 90s. North winds around 5 mph, becoming southwest in the afternoon. Chance of rain 30 percent. Heat index values up to 110.

Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the upper 70s. Southwest winds around 5 mph. Chance of rain 30 percent.

Sunny. Highs in the upper 90s. Heat index values up to 110.

Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.

Sunny. Highs in the upper 90s.

Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 30 percent.

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

Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 70s. Chance of rain 40 percent.

Mostly sunny. Highs in the upper 90s.

Partly cloudy with a chance of showers. Lows in the mid 70s. Chance of rain 30 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 70% chance for rain and thunderstorms. Low temperature around 73F. Dew point will be around 75F with an average humidity of 95%. Winds will be 2 mph from the SE.

Mostly sunny with a 55% chance for rain and thunderstorms. High temperature around 88F. Dew point will be around 76F with an average humidity of 84%. Winds will be 2 mph from the SE.

Partly cloudy with a 65% chance for rain and thunderstorms. Low temperature around 72F. Dew point will be around 75F with an average humidity of 95%. Winds will be 2 mph from the S.

Mostly sunny with a 50% chance for rain and thunderstorms. High temperature around 87F. Dew point will be around 76F with an average humidity of 84%. Winds will be 2 mph from the SE.

Partly cloudy with a 60% chance for rain and thunderstorms. Low temperature around 73F. Dew point will be around 75F with an average humidity of 93%. Winds will be 2 mph from the S.