Williamson Island Weather Forecast

    • 63
    • 72

    Mostly Sunny

    • 65
    • 70

    Partly Sunny

    • 66
    • 71

    Chance Rain Showers

    • 62
    • 71

    Chance Thunderstorms

    • 59
    • 68

    Chance Rain Showers

    • 56
    • 68

    Slight Chance Thunderstorms

Today 24 Oct Coastal Chatham

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph, becoming northeast in the afternoon.

Tonight 24 Oct Coastal Chatham

Mostly clear. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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Williamson Island Temperature Statistics

October Temperature

Hunter U. S. Army Airfield (14.9 miles)

  • Lowest 21 October, 2025

    50 °F

  • Average October

    70.3 °F

  • Highest 8 October, 2025

    84.9 °F

Climate (2020–Present)

Hunter U. S. Army Airfield (14.9 miles)

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  • Average Low 2020–2025

    59.4 °F

  • Average 2020–2025

    68.1 °F

  • Average High 2020–2025

    77.9 °F
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