Seabrook Island Weather Forecast

    • 41
    • 54

    Mostly Sunny

    • 51
    • 60

    Chance Rain

    • 54
    • 65

    Rain

    • 40
    • 63

    Mostly Sunny

    • 45
    • 60

    Mostly Sunny

    • 45
    • 64

    Mostly Sunny

    • 45
    • 58

    Partly Sunny

Today 16 Dec Charleston

Sunny. Highs in the mid 50s. Southwest Winds around 5 Mph.

Tonight 16 Dec Charleston

Mostly clear. Lows in the mid 30s, except around 40 near the coast. Southwest Winds around 5 Mph, becoming northwest after midnight.

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Seabrook Island Temperature Statistics

December Temperature

Charleston Executive Airport (12.4 miles)

  • Lowest 9 December, 2025

    30.2 °F

  • Average December

    49.6 °F

  • Highest 14 December, 2025

    71.6 °F

Climate (2020–Present)

Charleston Executive Airport (12.4 miles)

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  • Average Low 2020–2025

    58.8 °F

  • Average 2020–2025

    67.1 °F

  • Average High 2020–2025

    75.9 °F
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