Port Royal Sound Weather Forecast

    • 79
    • 88

    Mostly Sunny

    • 78
    • 90

    Slight Chance Thunderstorms

    • 80
    • 92

    Mostly Sunny

    • 80
    • 94

    Slight Chance Thunderstorms

    • 77
    • 93

    Chance Thunderstorms

    • 77
    • 88

    Thunderstorms Likely

    • 77
    • 87

    Chance Thunderstorms

Today 17 Jul Beaufort

Sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. Heat index Values up to 107. South Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 17 Jul Beaufort

Mostly clear. Lows in the upper 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Royal Sound Temperature Statistics

July Temperature

Hilton Head Island, Hilton Head Airport (3.1 miles)

  • Lowest 10 July, 2025

    71.6 °F

  • Average July

    79.6 °F

  • Highest 13 July, 2025

    91.4 °F

Climate (2020–Present)

Hilton Head Island, Hilton Head Airport (3.1 miles)

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  • Average Low 2020–2025

    61 °F

  • Average 2020–2025

    66.7 °F

  • Average High 2020–2025

    75.1 °F
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