Myrtle Beach (31st Ave) Weather Forecast

    • 81
    • 88

    Partly Sunny

    • 77
    • 86

    Rain Showers Likely

    • 76
    • 84

    Rain Showers

    • 76
    • 85

    Slight Chance Thunderstorms

    • 76
    • 85

    Slight Chance Thunderstorms

    • 76
    • 84

    Chance Thunderstorms

Today 20 Aug Coastal Horry

Sunny. Highs in the lower 90s. South Winds 5 to 10 Mph. Heat index Values up to 109.

Tonight 20 Aug Coastal Horry

Partly cloudy. Humid with Lows in the upper 70s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Myrtle Beach (31st Ave) Temperature Statistics

August Temperature

Myrtle Beach International Airport (4.3 miles)

  • Lowest 11 August, 2026

    73.9 °F

  • Average August

    82.1 °F

  • Highest 18 August, 2026

    96.1 °F

Climate (2021–2026)

Myrtle Beach International Airport (4.3 miles)

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  • Average Low 2021–2026

    58.2 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    72.9 °F
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