Intracoastal Waterway - Coquina Harbor Weather Forecast

    • 75
    • 94

    Chance Thunderstorms

    • 70
    • 89

    Rain Showers

    • 70
    • 86

    Chance Thunderstorms

    • 71
    • 86

    Slight Chance Thunderstorms

    • 72
    • 87

    Mostly Sunny

    • 74
    • 89

    Mostly Sunny

Today 5 Sep Coastal Horry

Sunny. Highs in the lower 90s. Southwest Winds 10 to 15 Mph. Heat index Values up to 108.

Tonight 5 Sep Coastal Horry

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 70s. Southwest Winds 10 to 15 Mph, becoming west 5 to 10 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Real-Time

Intracoastal Waterway - Coquina Harbor Temperature Statistics

September Temperature

North Myrtle Beach Grand Strand Airport (5.6 miles)

  • Lowest 1 September, 2026

    73.7 °F

  • Average September

    82.1 °F

  • Highest 2 September, 2026

    90 °F

Climate (2021–2026)

North Myrtle Beach Grand Strand Airport (5.6 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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