Port Royal Sound Weather Forecast

    • 53
    • 60

    Increasing Clouds

    • 55
    • 63

    Rain

    • 42
    • 62

    Mostly Sunny

    • 47
    • 59

    Sunny

    • 48
    • 64

    Mostly Sunny

    • 48
    • 59

    Partly Sunny

Today 17 Dec Beaufort

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 60s. North Winds around 5 Mph.

Tonight 17 Dec Beaufort

Cloudy. A chance of rain after midnight. Lows in the lower 50s. East Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Royal Sound Temperature Statistics

December Temperature

Hilton Head Island, Hilton Head Airport (3.1 miles)

  • Lowest 10 December, 2025

    32 °F

  • Average December

    49.2 °F

  • Highest 14 December, 2025

    69.8 °F

Climate (2020–Present)

Hilton Head Island, Hilton Head Airport (3.1 miles)

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  • Average Low 2020–2025

    60.8 °F

  • Average 2020–2025

    66.4 °F

  • Average High 2020–2025

    75 °F
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