Intracoastal Waterway - William Island Weather Forecast

    • 71
    • 87

    Slight Chance Rain Showers

    • 71
    • 88

    Mostly Sunny

    • 77
    • 87

    Mostly Sunny

    • 79
    • 91

    Slight Chance Thunderstorms

    • 76
    • 93

    Chance Thunderstorms

    • 75
    • 90

    Chance Thunderstorms

    • 76
    • 90

    Chance Thunderstorms

Today 19 Jun Coastal Horry

Partly sunny. Near steady temperature in the mid 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 19 Jun Coastal Horry

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the lower 70s. West Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 40 percent.

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  • Temperature Real-Time

Intracoastal Waterway - William Island Temperature Statistics

June Temperature

North Myrtle Beach Grand Strand Airport (3.7 miles)

  • Lowest 3 June, 2026

    52.6 °F

  • Average June

    77.4 °F

  • Highest 13 June, 2026

    91.7 °F

Climate (2021–2026)

North Myrtle Beach Grand Strand Airport (3.7 miles)

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  • Average Low 2021–2026

    56.6 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    73.4 °F
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