Wilmington River - Whitemarsh Island Weather Forecast

    • 67
    • 84

    Mostly Sunny

    • 69
    • 85

    Partly Sunny

    • 70
    • 86

    Mostly Sunny

    • 70
    • 86

    Mostly Sunny

    • 72
    • 84

    Partly Sunny

    • 71
    • 82

    Chance Thunderstorms

    • 72
    • 82

    Chance Thunderstorms

Today 16 Sep Coastal Chatham

Sunny. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 16 Sep Coastal Chatham

Mostly clear. Lows in the upper 60s. South Winds around 5 Mph, becoming west after midnight.

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Wilmington River - Whitemarsh Island Temperature Statistics

September Temperature

Hunter U. S. Army Airfield (7.5 miles)

  • Lowest 10 September, 2025

    64.9 °F

  • Average September

    75.6 °F

  • Highest 5 September, 2025

    90 °F

Climate (2020–Present)

Hunter U. S. Army Airfield (7.5 miles)

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  • Average Low 2020–2025

    59.4 °F

  • Average 2020–2025

    68.1 °F

  • Average High 2020–2025

    77.8 °F
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