Seabrook Island Weather Forecast

    • 79
    • 88

    Decreasing Clouds

    • 78
    • 88

    Slight Chance Thunderstorms

    • 77
    • 90

    Chance Thunderstorms

    • 75
    • 89

    Rain Showers Likely

    • 75
    • 83

    Chance Thunderstorms

    • 75
    • 83

    Slight Chance Thunderstorms

    • 75
    • 84

    Partly Sunny

Today 3 Sep Charleston

Sunny. Highs in the upper 80s. Heat index Values up to 106. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 3 Sep Charleston

Mostly clear. Lows in the upper 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seabrook Island Temperature Statistics

September Temperature

Charleston Executive Airport (12.4 miles)

  • Lowest 1 September, 2026

    75.2 °F

  • Average September

    81.6 °F

  • Highest 1 September, 2026

    89.6 °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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