Port Royal Sound Weather Forecast

    • 78
    • 87

    Chance Thunderstorms

    • 79
    • 87

    Chance Thunderstorms

    • 80
    • 88

    Chance Thunderstorms

    • 80
    • 88

    Rain Showers Likely

    • 80
    • 87

    Chance Thunderstorms

    • 80
    • 88

    Chance Thunderstorms

Today 4 Aug Beaufort

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. Heat index Values up to 105. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 4 Aug Beaufort

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Royal Sound Temperature Statistics

August Temperature

Hilton Head Island, Hilton Head Airport (3.1 miles)

  • Lowest 2 August, 2026

    75.2 °F

  • Average August

    81.6 °F

  • Highest 1 August, 2026

    89.6 °F

Climate (2021–2026)

Hilton Head Island, Hilton Head Airport (3.1 miles)

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  • Average Low 2021–2026

    60.8 °F

  • Average 2021–2026

    66.5 °F

  • Average High 2021–2026

    75.1 °F
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