10-Day Weather Forecast - Marion, SC

Sunny. Highs in the mid 90s. Light and variable winds, becoming southeast 5 to 10 mph in the afternoon. Heat index values up to 108.

Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph in the evening, becoming light and variable.

Mostly sunny. Highs in the mid 90s. Light and variable winds, becoming south around 5 mph in the afternoon. Heat index values up to 109.

Mostly clear. Lows in the mid 70s. Southwest winds around 5 mph.

Sunny. Highs in the mid 90s.

A chance of thunderstorms. Showers likely. Lows in the lower 70s. Chance of rain 60 percent.

Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.

Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50 percent.

Mostly sunny. Highs in the mid 80s.

Mostly clear. Lows in the upper 60s.

Mostly clear. Highs in the upper 80s.

Mostly clear. Lows in the upper 60s.

Mostly sunny. Highs in the upper 80s.

Mostly clear. Low temperature around 69F. Dew point will be around 69F with an average humidity of 85%. Winds will be 4 mph from the SE.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 90F. Dew point will be around 71F with an average humidity of 71%. Winds will be 2 mph from the SE.

Mostly clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 71F. Dew point will be around 69F with an average humidity of 82%. Winds will be 3 mph from the SE.

Mostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 90F. Dew point will be around 71F with an average humidity of 70%. Winds will be 2 mph from the S.

Partly cloudy with a 35% chance for rain and thunderstorms. Low temperature around 71F. Dew point will be around 69F with an average humidity of 79%. Winds will be 2 mph from the S.