Seabrook Island Weather Forecast

    • 75
    • 84

    Rain Showers

    • 76
    • 85

    Rain Showers Likely

    • 77
    • 85

    Slight Chance Thunderstorms

    • 77
    • 85

    Slight Chance Thunderstorms

    • 77
    • 87

    Chance Thunderstorms

    • 77
    • 86

    Chance Thunderstorms

Today 7 Sep Charleston

Partly sunny with a chance of Showers and Thunderstorms. Highs in the lower 80s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 7 Sep Charleston

Partly cloudy in the Evening, then clearing. A chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the mid 70s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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Seabrook Island Temperature Statistics

September Temperature

Charleston Executive Airport (12.4 miles)

  • Lowest 1 September, 2026

    75.2 °F

  • Average September

    82.6 °F

  • Highest 2 September, 2026

    91.4 °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

    76.3 °F
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