10-Day Weather Forecast - Summerville, SC

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Heat index values up to 109. West winds around 5 mph. Chance of rain 50 percent.

Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the mid 70s. Heat index values up to 106 early in the evening. South winds around 5 mph. Chance of rain 50 percent.

Sunny in the morning then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 107.

Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy with a slight chance of showers after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 50 percent.

Showers likely with a chance of thunderstorms. Lows around 70. Chance of rain 60 percent.

Showers likely with a chance of thunderstorms. Highs in the lower 80s. Chance of rain 70 percent.

Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.

Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.

Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.

Partly sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent.

Partly cloudy. Lows in the mid 70s.

Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 105.

Partly cloudy with a 60% chance for rain and thunderstorms. Low temperature around 77F. Dew point will be around 75F with an average humidity of 85%. Winds will be 6 mph from the SW.

Partly cloudy with a 30% chance for rain and thunderstorms. High temperature around 92F. Dew point will be around 76F with an average humidity of 71%. Winds will be 5 mph from the W.

Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 75F with an average humidity of 87%. Winds will be 4 mph from the SW.

Mostly sunny. High temperature around 92F. Dew point will be around 75F with an average humidity of 72%. Winds will be 5 mph from the W.

Mostly clear with a 40% chance for rain and thunderstorms. Low temperature around 77F. Dew point will be around 74F with an average humidity of 83%. Winds will be 4 mph from the SW.