Intracoastal Waterway - Robert M Grissom Parkway Bridge Weather Forecast

    • 73
    • 82

    Chance Thunderstorms

    • 73
    • 86

    Chance Thunderstorms

    • 74
    • 88

    Partly Sunny

    • 75
    • 89

    Mostly Sunny

    • 75
    • 90

    Sunny

    • 75
    • 90

    Mostly Sunny

    • 75
    • 90

    Slight Chance Thunderstorms

Today 29 Aug Coastal Horry

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 29 Aug Coastal Horry

Mostly cloudy. A slight chance of Showers and Thunderstorms this Evening, then a chance of Showers and Thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 70s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Intracoastal Waterway - Robert M Grissom Parkway Bridge Temperature Statistics

August Temperature

Myrtle Beach International Airport (6.2 miles)

  • Lowest 21 August, 2026

    73 °F

  • Average August

    82 °F

  • Highest 18 August, 2026

    96.1 °F

Climate (2021–2026)

Myrtle Beach International Airport (6.2 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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