Seabrook Island Weather Forecast

    • 81
    • 93

    Slight Chance Thunderstorms

    • 81
    • 92

    Partly Sunny

    • 81
    • 92

    Slight Chance Thunderstorms

    • 82
    • 92

    Mostly Sunny

    • 83
    • 93

    Mostly Sunny

    • 82
    • 94

    Slight Chance Thunderstorms

    • 81
    • 91

    Slight Chance Thunderstorms

Today 13 Aug Charleston

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 90s, except in the lower 90s near the coast. Heat index Values up to 114. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 13 Aug Charleston

Partly cloudy. Lows in the upper 70s. Heat index Values up to 108 early in the evening. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seabrook Island Temperature Statistics

August Temperature

Charleston Executive Airport (12.4 miles)

  • Lowest 2 August, 2026

    73.4 °F

  • Average August

    81.3 °F

  • Highest 11 August, 2026

    93.2 °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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