North Myrtle Beach Weather Forecast

    • 75
    • 91

    Chance Thunderstorms

    • 71
    • 87

    Chance Thunderstorms

    • 71
    • 84

    Slight Chance Thunderstorms

    • 73
    • 83

    Slight Chance Thunderstorms

    • 73
    • 85

    Mostly Sunny

    • 74
    • 87

    Slight Chance Thunderstorms

    • 73
    • 87

    Slight Chance Thunderstorms

Today 5 Sep Coastal Horry

Sunny. Highs in the lower 90s. West Winds around 5 Mph, becoming southwest 10 to 15 Mph this afternoon. Heat index Values up to 109.

Tonight 5 Sep Coastal Horry

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Humid with Lows in the mid 70s. Southwest Winds 10 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

North Myrtle Beach Temperature Statistics

September Temperature

North Myrtle Beach Grand Strand Airport (3.1 miles)

  • Lowest 1 September, 2026

    73.7 °F

  • Average September

    82.6 °F

  • Highest 2 September, 2026

    91.7 °F

Climate (2021–2026)

North Myrtle Beach Grand Strand Airport (3.1 miles)

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  • Average Low 2021–2026

    56.7 °F

  • Average 2021–2026

    65.2 °F

  • Average High 2021–2026

    73.6 °F
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