Port Royal Sound Weather Forecast

    • 76
    • 87

    Chance Thunderstorms

    • 76
    • 85

    Chance Thunderstorms

    • 77
    • 85

    Chance Thunderstorms

    • 75
    • 84

    Rain Showers Likely

    • 73
    • 83

    Chance Thunderstorms

    • 72
    • 82

    Slight Chance Thunderstorms

Today 19 Sep Beaufort

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs around 90. Northwest Winds around 5 Mph, becoming east in the afternoon. Chance of rain 40 percent.

Tonight 19 Sep Beaufort

Partly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the mid 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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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 2 September, 2026

    75.2 °F

  • Average September

    80.7 °F

  • Highest 6 September, 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

    75.2 °F
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