10-Day Weather Forecast - Sullivans Island, SC

Sunny. Highs in the mid 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph becoming southeast in the afternoon.

Mostly clear. Lows in the upper 40s. South winds around 5 mph becoming southwest after midnight.

Sunny. Highs in the mid 70s except in the lower 70s near the coast. North winds around 5 mph becoming southeast in the afternoon.

Mostly clear. Lows in the upper 50s.

Partly sunny with a chance of showers and thunderstorms. Highs in the mid 70s. Chance of rain 50 percent.

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

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

Mostly cloudy with a 30 percent chance of showers. Much cooler with lows around 40.

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

Partly cloudy. Lows in the upper 30s.

Mostly sunny. Highs in the upper 50s.

Partly cloudy. Low temperature around 44F. Dew point will be around 36F with an average humidity of 63%. Winds will be 4 mph from the N.

Mostly sunny. High temperature around 61F. Dew point will be around 40F with an average humidity of 60%. Winds will be 6 mph from the NE.

Clear. Low temperature around 47F. Dew point will be around 43F with an average humidity of 73%. Winds will be 4 mph from the NE.

Sunny. High temperature around 65F. Dew point will be around 46F with an average humidity of 68%. Winds will be 3 mph from the N.

Clear. Low temperature around 52F. Dew point will be around 48F with an average humidity of 76%. Winds will be 2 mph from the W.

Sunny. High temperature around 71F. Dew point will be around 51F with an average humidity of 68%. Winds will be 3 mph from the NW.

Clear. Low temperature around 54F. Dew point will be around 50F with an average humidity of 72%. Winds will be 1 mph from the W.