Myrtle Beach (Grande Dunes Blvd) Weather Forecast

    • 80
    • 94

    Slight Chance Thunderstorms

    • 77
    • 91

    Chance Thunderstorms

    • 74
    • 86

    Thunderstorms Likely

    • 72
    • 86

    Chance Rain Showers

    • 75
    • 86

    Chance Thunderstorms

    • 76
    • 88

    Slight Chance Thunderstorms

Today 20 Jul Coastal Horry

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the mid 90s. West Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 109.

Tonight 20 Jul Coastal Horry

Mostly clear. Near steady temperature in the lower 80s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Myrtle Beach (Grande Dunes Blvd) Temperature Statistics

July Temperature

North Myrtle Beach Grand Strand Airport (6.2 miles)

  • Lowest 11 July, 2025

    72.6 °F

  • Average July

    81.5 °F

  • Highest 16 July, 2025

    88.6 °F

Climate (2020–Present)

North Myrtle Beach Grand Strand Airport (6.2 miles)

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  • Average Low 2020–2025

    57 °F

  • Average 2020–2025

    65.2 °F

  • Average High 2020–2025

    73.5 °F
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