Intracoastal Waterway - William Island Weather Forecast

    • 60
    • 78

    Mostly Sunny

    • 65
    • 79

    Partly Sunny

    • 66
    • 80

    Partly Sunny

    • 60
    • 78

    Rain Showers Likely

    • 50
    • 76

    Partly Sunny

    • 48
    • 71

    Partly Sunny

    • 44
    • 69

    Mostly Sunny

Today 3 Nov Coastal Horry

Sunny. Highs in the upper 70s. East Winds 10 to 15 Mph.

Tonight 3 Nov Coastal Horry

Clear. Lows in the lower 60s. Northeast Winds 5 to 10 Mph.

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Intracoastal Waterway - William Island Temperature Statistics

November Temperature

North Myrtle Beach Grand Strand Airport (3.7 miles)

  • Lowest 1 November, 2026

    55.9 °F

  • Average November

    62.8 °F

  • Highest 1 November, 2026

    71.1 °F

Climate (2021–2026)

North Myrtle Beach Grand Strand Airport (3.7 miles)

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  • Average Low 2021–2026

    56.7 °F

  • Average 2021–2026

    65.2 °F

  • Average High 2021–2026

    73.7 °F
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