Seabrook Island Weather Forecast

    • 76
    • 90

    Slight Chance Thunderstorms

    • 76
    • 92

    Chance Thunderstorms

    • 76
    • 85

    Thunderstorms Likely

    • 74
    • 82

    Thunderstorms Likely

    • 75
    • 86

    Chance Thunderstorms

    • 72
    • 88

    Slight Chance Thunderstorms

    • 73
    • 86

    Mostly Sunny

Today 20 Aug Charleston

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 20 Aug Charleston

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the mid 70s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seabrook Island Temperature Statistics

August Temperature

Charleston Executive Airport (12.4 miles)

  • Lowest 3 August, 2025

    71.6 °F

  • Average August

    80 °F

  • Highest 1 August, 2025

    93.2 °F

Climate (2020–Present)

Charleston Executive Airport (12.4 miles)

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  • Average Low 2020–2025

    59.1 °F

  • Average 2020–2025

    67.4 °F

  • Average High 2020–2025

    76.1 °F
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