Port Royal Sound Weather Forecast

    • 70
    • 83

    Decreasing Clouds

    • 70
    • 83

    Mostly Sunny

    • 69
    • 82

    Mostly Sunny

    • 69
    • 82

    Partly Sunny

    • 69
    • 83

    Slight Chance Thunderstorms

    • 69
    • 83

    Slight Chance Thunderstorms

    • 70
    • 82

    Slight Chance Thunderstorms

Today 11 Sep Beaufort

Mostly sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 11 Sep Beaufort

Mostly cloudy this Evening, then clearing. Lows in the mid 60s, except around 70 near the coast. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Royal Sound Temperature Statistics

September Temperature

Hilton Head Island, Hilton Head Airport (3.1 miles)

  • Lowest 4 September, 2025

    66.2 °F

  • Average September

    74.5 °F

  • Highest 7 September, 2025

    87.8 °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

    66.6 °F

  • Average High 2020–2025

    75.1 °F
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