Seabrook Island Weather Forecast

    • 80
    • 92

    Chance Thunderstorms

    • 81
    • 92

    Mostly Sunny

    • 81
    • 96

    Mostly Sunny

    • 81
    • 94

    Slight Chance Thunderstorms

    • 81
    • 91

    Partly Sunny

    • 79
    • 90

    Chance Thunderstorms

    • 78
    • 89

    Chance Thunderstorms

Today 16 Aug Charleston

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Heat index Values up to 111. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 16 Aug Charleston

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then mostly clear after midnight. Lows in the upper 70s. Heat index Values up to 106 early this evening. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 50 percent.

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Seabrook Island Temperature Statistics

August Temperature

Charleston Executive Airport (12.4 miles)

  • Lowest 2 August, 2026

    73.4 °F

  • Average August

    82 °F

  • Highest 13 August, 2026

    98.6 °F

Climate (2021–2026)

Charleston Executive Airport (12.4 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    67.3 °F

  • Average High 2021–2026

    76.2 °F
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