Intracoastal Waterway - William Island Weather Forecast

    • 51
    • 72

    Sunny

    • 47
    • 70

    Sunny

    • 50
    • 68

    Partly Sunny

    • 52
    • 68

    Chance Rain Showers

    • 53
    • 67

    Chance Rain Showers

    • 52
    • 67

    Chance Rain Showers

Today 23 Oct Coastal Horry

Sunny. Highs in the lower 70s. Northwest Winds 5 to 10 Mph.

Tonight 23 Oct Coastal Horry

Clear. Lows in the lower 50s. Southwest Winds around 5 Mph.

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Intracoastal Waterway - William Island Temperature Statistics

October Temperature

North Myrtle Beach Grand Strand Airport (3.7 miles)

  • Lowest 17 October, 2025

    48 °F

  • Average October

    66.9 °F

  • Highest 5 October, 2025

    82 °F

Climate (2020–Present)

North Myrtle Beach Grand Strand Airport (3.7 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    65.1 °F

  • Average High 2020–2025

    73.4 °F
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