Intracoastal Waterway - Myrtle Beach Weather Forecast

    • 78
    • 93

    Slight Chance Thunderstorms

    • 79
    • 95

    Slight Chance Thunderstorms

    • 78
    • 96

    Chance Thunderstorms

    • 76
    • 93

    Thunderstorms Likely

    • 74
    • 87

    Chance Rain

    • 74
    • 88

    Chance Thunderstorms

Today 18 Jul Coastal Horry

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 105.

Tonight 18 Jul Coastal Horry

Mostly clear. Humid with Lows in the upper 70s. Southwest Winds 10 to 15 Mph.

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Intracoastal Waterway - Myrtle Beach Temperature Statistics

July Temperature

Myrtle Beach International Airport (1.9 miles)

  • Lowest 11 July, 2025

    73 °F

  • Average July

    80.8 °F

  • Highest 7 July, 2025

    88 °F

Climate (2020–Present)

Myrtle Beach International Airport (1.9 miles)

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  • Average Low 2020–2025

    58.4 °F

  • Average 2020–2025

    65.7 °F

  • Average High 2020–2025

    72.9 °F
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