10-Day Weather Forecast - Sullivans Island, SC

Mostly cloudy in the morning then clearing. Highs in the mid 60s. Less humid. Temperature falling into the mid 50s in the afternoon. Northwest winds 10 to 15 mph with gusts up to 30 mph.

Mostly clear. Much cooler with lows in the lower 30s. North winds 10 to 15 mph with gusts up to 25 mph.

Mostly sunny. Highs in the lower 50s. North winds 5 to 10 mph.

Partly cloudy. Lows in the lower 30s except in the mid 30s near the coast. Light and variable winds becoming northwest around 5 mph after midnight.

Sunny. Highs in the upper 50s.

Partly cloudy. Lows in the lower 40s.

Mostly cloudy with a 40 percent chance of showers. Highs in the upper 50s.

Mostly cloudy with a 20 percent chance of showers. Lows around 40.

Mostly sunny with a 20 percent chance of showers. Highs in the lower 50s.

Partly cloudy with a 20 percent chance of rain showers. Lows in the lower 30s.

Sunny. Highs in the lower 50s.

Mostly clear. Lows in the upper 30s.

Sunny. Highs in the upper 50s.

Partly cloudy. Low temperature around 44F. Dew point will be around 40F with an average humidity of 77%. Winds will be 4 mph from the W.

Sunny. High temperature around 54F. Dew point will be around 37F with an average humidity of 64%. Winds will be 7 mph from the W.

Clear. Low temperature around 33F. Dew point will be around 28F with an average humidity of 63%. Winds will be 7 mph from the W.

Sunny. High temperature around 49F. Dew point will be around 25F with an average humidity of 51%. Winds will be 4 mph from the NW.

Clear. Low temperature around 33F. Dew point will be around 23F with an average humidity of 58%. Winds will be 2 mph from the NW.