10-Day Weather Forecast - Sumter, SC

Mostly sunny. Highs in the upper 80s. Southwest winds 10 to 15 mph.

Mostly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph.

Rain. Much cooler with highs in the upper 60s. Temperature falling into the mid 50s in the afternoon. Southwest winds 10 to 15 mph becoming north in the afternoon. Chance of rain 90 percent.

Partly cloudy with rain likely in the evening then mostly clear after midnight. Much cooler with lows in the mid 30s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

Sunny. Highs in the upper 60s. East winds around 5 mph becoming south around 5 mph in the afternoon.

Mostly clear. Lows in the mid 40s.

Sunny. Highs in the mid 70s.

Clear in the evening then becoming partly cloudy. Lows in the lower 50s.

Partly sunny with a chance of rain. Highs around 80. Chance of rain 50 percent.

Rain likely. Lows in the lower 60s. Chance of rain 60 percent.

Mostly cloudy in the morning then becoming partly sunny. A 50 percent chance of rain. Highs in the lower 70s.

Mostly cloudy with a chance of rain in the evening then partly cloudy after midnight. Much cooler with lows in the mid 30s. Chance of rain 50 percent.

Partly sunny. Cooler with highs in the lower 50s.

Mostly clear. Low temperature around 36F. Dew point will be around 25F with an average humidity of 53%. Winds will be 4 mph from the NE.

Mostly sunny. High temperature around 56F. Dew point will be around 28F with an average humidity of 50%. Winds will be 4 mph from the N.

Clear. Low temperature around 39F. Dew point will be around 33F with an average humidity of 63%. Winds will be 3 mph from the NE.

Sunny. High temperature around 61F. Dew point will be around 36F with an average humidity of 58%. Winds will be 5 mph from the NE.

Clear. Low temperature around 42F. Dew point will be around 38F with an average humidity of 70%. Winds will be 3 mph from the E.