Seabrook Island Weather Forecast

    • 67
    • 81

    Mostly Sunny

    • 72
    • 81

    Mostly Sunny

    • 72
    • 81

    Mostly Sunny

    • 73
    • 82

    Slight Chance Thunderstorms

    • 73
    • 80

    Chance Rain Showers

    • 72
    • 79

    Chance Rain Showers

Today 28 Sep Charleston

Sunny. Highs in the lower 80s. North Winds around 5 Mph, becoming southwest this afternoon.

Tonight 28 Sep Charleston

Mostly clear. Lows in the mid 60s. South Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seabrook Island Temperature Statistics

September Temperature

Charleston Executive Airport (12.4 miles)

  • Lowest 26 September, 2026

    53.6 °F

  • Average September

    79.3 °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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