10-Day Weather Forecast - Sumter, SC

Mostly cloudy in the morning then becoming mostly sunny. Highs in the mid 60s. West winds 5 to 10 mph.

Mostly clear. Lows in the upper 40s. West winds around 5 mph.

Sunny. Highs in the lower 70s. Northwest winds around 5 mph becoming north in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s.

Sunny. Highs in the lower 70s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s.

Mostly sunny. Highs in the mid 70s.

Mostly clear. Lows in the mid 50s.

Mostly sunny. Highs in the lower 70s.

Mostly clear. Lows in the lower 50s.

Mostly sunny. Highs in the lower 70s.

Mostly clear. Low temperature around 45F. Dew point will be around 52F with an average humidity of 77%. Winds will be 6 mph from the N.

Sunny. High temperature around 57F. Dew point will be around 31F with an average humidity of 46%. Winds will be 7 mph from the NE.

Clear. Low temperature around 36F. Dew point will be around 28F with an average humidity of 56%. Winds will be 2 mph from the NE.

Mostly sunny. High temperature around 55F. Dew point will be around 29F with an average humidity of 48%. Winds will be 2 mph from the NE.

Clear. Low temperature around 38F. Dew point will be around 30F with an average humidity of 63%. Winds will be 2 mph from the S.

Sunny. High temperature around 60F. Dew point will be around 36F with an average humidity of 56%. Winds will be 2 mph from the SW.

Clear. Low temperature around 42F. Dew point will be around 40F with an average humidity of 76%. Winds will be 2 mph from the SW.