Winyah Bay - Marsh Islands Weather Forecast

    • 32
    • 49

    Sunny

    • 36
    • 47

    Mostly Sunny

    • 45
    • 54

    Chance Rain

    • 40
    • 58

    Slight Chance Rain

    • 44
    • 55

    Mostly Cloudy

    • 43
    • 58

    Chance Rain

Today 19 Jan Coastal Georgetown

Sunny. Highs in the lower 50s. West Winds 5 to 10 Mph.

Tonight 19 Jan Coastal Georgetown

Mostly clear. Near steady temperature in the lower 30s. West Winds around 5 Mph.

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Winyah Bay - Marsh Islands Temperature Statistics

January Temperature

Georgetown County Airport (5.6 miles)

  • Lowest 16 January, 2026

    21.2 °F

  • Average January

    49.5 °F

  • Highest 9 January, 2026

    77 °F

Climate (2021–Present)

Georgetown County Airport (5.6 miles)

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  • Average Low 2021–2026

    54.5 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    74.2 °F
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