Weather Forecast for
Zip Code 29920 Saint Helena Island, SC

Today: A 40 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 89. Heat index values as high as 102. Calm wind becoming south 5 to 7 mph in the afternoon.

Tonight: Partly cloudy, with a low around 79. South wind around 6 mph.

Monday: A slight chance of showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 92. Heat index values as high as 108. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.

Monday Night: A slight chance of showers and thunderstorms between 7pm and 2am. Partly cloudy, with a low around 79. South wind around 8 mph. Chance of precipitation is 20%.

Tuesday: Mostly sunny, with a high near 94. West wind 6 to 8 mph.

Tuesday Night: Partly cloudy, with a low around 80.

Wednesday: Sunny, with a high near 95.

Wednesday Night: Partly cloudy, with a low around 80.

Thursday: Sunny, with a high near 95.

Thursday Night: Partly cloudy, with a low around 80.

Friday: A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.

Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.

Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

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