Winyah Bay - Marsh Islands Weather Forecast

    • 61
    • 73

    Sunny

    • 52
    • 73

    Sunny

    • 54
    • 70

    Sunny

    • 57
    • 68

    Mostly Sunny

    • 59
    • 68

    Partly Sunny

    • 62
    • 69

    Partly Sunny

Today 21 Oct Coastal Georgetown

Sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 21 Oct Coastal Georgetown

Clear. Near steady temperature in the lower 50s. West Winds around 5 Mph.

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Winyah Bay - Marsh Islands Temperature Statistics

October Temperature

Georgetown County Airport (5.6 miles)

  • Lowest 17 October, 2025

    46.4 °F

  • Average October

    66.3 °F

  • Highest 8 October, 2025

    84.2 °F

Climate (2020–Present)

Georgetown County Airport (5.6 miles)

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  • Average Low 2020–2025

    54.7 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    74.2 °F
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