Seabrook Island Weather Forecast

    • 71
    • 85

    Chance Thunderstorms

    • 68
    • 85

    Chance Thunderstorms

    • 63
    • 80

    Slight Chance Thunderstorms

    • 63
    • 79

    Mostly Sunny

    • 63
    • 79

    Partly Sunny

Today 22 Sep Charleston

Partly sunny with a chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Highs in the mid 80s. North Winds 5 to 10 Mph, becoming east this afternoon. Chance of rain 50 percent.

Tonight 22 Sep Charleston

Partly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the lower 70s. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seabrook Island Temperature Statistics

September Temperature

Charleston Executive Airport (12.4 miles)

  • Lowest 17 September, 2026

    68 °F

  • Average September

    81.2 °F

  • Highest 13 September, 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

    67.4 °F

  • Average High 2021–2026

    76.3 °F
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