Intracoastal Waterway - North Myrtle Beach Weather Forecast

    • 40
    • 54

    Mostly Sunny

    • 48
    • 66

    Partly Sunny

    • 48
    • 67

    Mostly Sunny

    • 54
    • 68

    Mostly Sunny

    • 54
    • 70

    Mostly Sunny

    • 52
    • 67

    Mostly Sunny

Today 22 Dec Coastal Horry

Sunny. Highs in the mid 50s. Northeast Winds 10 to 15 Mph.

Tonight 22 Dec Coastal Horry

Mostly clear. Lows in the lower 40s. Northeast Winds 5 to 10 Mph.

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Intracoastal Waterway - North Myrtle Beach Temperature Statistics

December Temperature

North Myrtle Beach Grand Strand Airport (6.2 miles)

  • Lowest 15 December, 2025

    19 °F

  • Average December

    45.1 °F

  • Highest 19 December, 2025

    66 °F

Climate (2020–Present)

North Myrtle Beach Grand Strand Airport (6.2 miles)

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  • Average Low 2020–2025

    56.6 °F

  • Average 2020–2025

    64.9 °F

  • Average High 2020–2025

    73.3 °F
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