Winyah Bay - Marsh Islands Weather Forecast

    • 79
    • 90

    Decreasing Clouds

    • 79
    • 92

    Mostly Sunny

    • 81
    • 92

    Partly Sunny

    • 80
    • 92

    Chance Thunderstorms

    • 79
    • 88

    Chance Thunderstorms

    • 79
    • 88

    Slight Chance Thunderstorms

Today 11 Aug Coastal Georgetown

Sunny with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 108.

Tonight 11 Aug Coastal Georgetown

Mostly clear. Near steady temperature in the mid 70s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Winyah Bay - Marsh Islands Temperature Statistics

August Temperature

Georgetown County Airport (5.6 miles)

  • Lowest 2 August, 2026

    71.6 °F

  • Average August

    78 °F

  • Highest 7 August, 2026

    89.6 °F

Climate (2021–2026)

Georgetown County Airport (5.6 miles)

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  • Average Low 2021–2026

    54.6 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    74.3 °F
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