10-Day Weather Forecast - Sumter, SC

Mostly sunny in the morning then becoming mostly cloudy. Highs in the lower 50s. Southwest winds around 5 mph.

Cloudy. A chance of rain after midnight. Not as cool with lows in the upper 30s. Southwest winds around 5 mph. Chance of rain 50 percent.

Rain. Highs in the lower 50s. Southwest winds around 5 mph. Chance of rain 90 percent.

Cloudy with a 50 percent chance of rain. Lows in the mid 30s. North winds around 5 mph.

Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 40s.

Partly cloudy in the evening then becoming mostly clear. Lows in the mid 20s.

Sunny. Highs in the mid 50s.

Mostly clear. Lows in the lower 30s.

Sunny. Highs in the mid 50s.

Mostly clear. Lows in the upper 20s.

Mostly sunny. Highs in the mid 50s.

Mostly clear in the evening then becoming partly cloudy. Lows around 30.

Mostly sunny. Highs in the upper 50s.

Mostly clear. Low temperature around 31F. Dew point will be around 21F with an average humidity of 53%. Winds will be 3 mph from the NE.

Sunny. High temperature around 51F. Dew point will be around 22F with an average humidity of 44%. Winds will be 1 mph from the NE.

Clear. Low temperature around 35F. Dew point will be around 27F with an average humidity of 60%. Winds will be 1 mph from the E.

Sunny. High temperature around 56F. Dew point will be around 31F with an average humidity of 51%. Winds will be 1 mph from the E.

Mostly clear. Low temperature around 40F. Dew point will be around 34F with an average humidity of 65%. Winds will be 2 mph from the SE.