Delaware River - Port Penn Weather Forecast

    • 28
    • 42

    Rain

    • 29
    • 41

    Mostly Sunny

    • 21
    • 43

    Partly Sunny

    • 28
    • 36

    Mostly Cloudy

    • 30
    • 43

    Slight Chance Rain

    • 26
    • 43

    Mostly Cloudy

Today 2 Dec New Castle

Rain. Highs in the lower 40s. Northeast Winds 5 to 10 Mph, becoming north 10 to 15 Mph in the afternoon. Chance of rain near 100 percent.

Tonight 2 Dec New Castle

Partly cloudy in the Evening, then clearing. Cold with Lows in the mid 20s. Northwest Winds 10 to 15 Mph.

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Delaware River - Port Penn Temperature Statistics

December Temperature

Wilmington, New Castle County Airport (10.6 miles)

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  • Average December

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Climate (2020–Present)

Wilmington, New Castle County Airport (10.6 miles)

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.6 °F
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