Christina River - Copper Island Weather Forecast

    • 36
    • 42

    Decreasing Clouds

    • 30
    • 47

    Partly Sunny

    • 29
    • 45

    Chance Snow

    • 30
    • 36

    Wintry Mix

    • 36
    • 41

    Rain Likely

    • 23
    • 49

    Rain Likely

Today 23 Dec New Castle

Mostly cloudy. Rain and snow likely this morning. Little or no snow accumulation. Highs in the lower 40s. South Winds 5 to 10 Mph, becoming southwest this afternoon. Chance of precipitation 70 percent.

Tonight 23 Dec New Castle

Mostly cloudy in the Evening, then clearing. Lows in the mid 30s. West Winds 10 to 15 Mph.

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Christina River - Copper Island Temperature Statistics

December Temperature

Wilmington, New Castle County Airport (3.1 miles)

  • Lowest 16 December, 2025

    16 °F

  • Average December

    33.5 °F

  • Highest 19 December, 2025

    55.9 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (3.1 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.5 °F
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