10-Day Weather Forecast - Saint Helena Island, SC

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  • |39°F
    Mostly Clear
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    Tonight

    39°F

    Mostly clear. Lows in the upper 30s. West winds 10 to 15 mph with gusts up to 30 mph.

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  • Day

    56°F

    Sunny. Highs around 60. West winds 10 to 15 mph with gusts up to 25 mph.

    Night

    47°F

    Mostly clear in the evening then becoming partly cloudy. Lows around 40 except in the mid 40s near the coast. West winds around 5 mph.

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  • Day

    61°F

    Partly sunny in the morning then becoming mostly cloudy. Highs in the lower 60s. Southwest winds 5 to 10 mph.

    Night

    53°F

    Mostly cloudy. A chance of showers after midnight. Lows in the upper 40s except in the lower 50s near the coast. Southwest winds around 5 mph. Chance of rain 40 percent.

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  • Weekend Weather

  • Day

    63°F

    Showers with a slight chance of thunderstorms. Highs in the mid 60s. Chance of rain 90 percent.

    Night

    49°F

    Showers with a slight chance of thunderstorms. Lows in the upper 40s. Chance of rain 90 percent.

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  • Day

    57°F

    Mostly sunny. Highs in the upper 50s.

    Night

    46°F

    Partly cloudy. Lows in the lower 40s.

    Hourly details
  • Day

    59°F

    Mostly sunny. Highs in the upper 50s.

    Night

    46°F

    Mostly clear. Lows in the mid 40s.

    Hourly details
  • Day

    60°F

    Mostly sunny. Highs in the mid 60s.

    Night

    52°F

    Partly cloudy. Lows around 50.

    Hourly details
  • Day

    67°F

    Partly sunny. Highs in the upper 60s.

    Night

    56°F

    Mostly clear. Low temperature around 56F. Dew point will be around 56F with an average humidity of 94%. Winds will be 4 mph from the SW.

  • Day

    66°F

    Partly cloudy. High temperature around 66F. Dew point will be around 57F with an average humidity of 85%. Winds will be 3 mph from the S.

    Night

    56°F

    Partly cloudy. Low temperature around 56F. Dew point will be around 54F with an average humidity of 89%. Winds will be 3 mph from the S.

  • Day

    67°F

    Partly cloudy. High temperature around 67F. Dew point will be around 57F with an average humidity of 83%. Winds will be 2 mph from the S.

    Night

    57°F

    Partly cloudy. Low temperature around 57F. Dew point will be around 56F with an average humidity of 93%. Winds will be 1 mph from the SE.