10-Day Weather Forecast - Saint Helena Island, SC

Mostly sunny. Highs in the lower 60s. Temperature falling into the mid 50s this afternoon. West winds 10 to 15 mph becoming northwest this afternoon.

Clear. Much cooler with lows in the lower 20s except in the mid 20s near the coast. Wind chill values as low as 12 after midnight. North winds 15 to 20 mph with gusts up to 30 mph.

Sunny cooler with highs in the lower 40s. Wind chill values as low as 11 in the morning. North winds 10 to 15 mph.

Clear. Lows in the mid 20s except in the lower 30s near the coast. Northwest winds around 5 mph.

Sunny. Highs in the mid 50s. West winds around 5 mph.

Mostly clear. Lows in the upper 30s.

Partly sunny. Highs in the lower 60s.

Mostly cloudy. Lows in the upper 40s.

Mostly sunny with a 20 percent chance of showers. Highs in the mid 60s.

Partly cloudy with a 20 percent chance of showers. Lows in the mid 50s.

Mostly sunny. Highs in the upper 60s.

Mostly clear. Lows in the mid 40s.

Mostly sunny. Highs in the lower 60s.

Mostly clear. Low temperature around 63F. Dew point will be around 63F with an average humidity of 96%. Winds will be 3 mph from the S.

Mostly sunny. High temperature around 69F. Dew point will be around 63F with an average humidity of 91%. Winds will be 3 mph from the SW.

Clear. Low temperature around 62F. Dew point will be around 63F with an average humidity of 95%. Winds will be 1 mph from the SW.

Mostly sunny. High temperature around 66F. Dew point will be around 61F with an average humidity of 90%. Winds will be 2 mph from the NE.

Partly cloudy. Low temperature around 60F. Dew point will be around 61F with an average humidity of 96%. Winds will be 2 mph from the NE.