Delaware River - Christina River Entrance Weather Forecast

    • 25
    • 46

    Mostly Sunny

    • 32
    • 41

    Chance Rain/Snow

    • 39
    • 45

    Chance Rain

    • 35
    • 47

    Chance Rain

    • 43
    • 48

    Chance Rain

    • 40
    • 58

    Chance Rain

    • 38
    • 49

    Mostly Cloudy

Today 21 Dec New Castle

Sunny. Highs in the mid 40s. Temperature falling into the upper 30s this afternoon. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 21 Dec New Castle

Clear, cold with Lows in the lower 20s. Northwest Winds 5 to 10 Mph.

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Delaware River - Christina River Entrance Temperature Statistics

December Temperature

Wilmington, New Castle County Airport (5.6 miles)

  • Lowest 16 December, 2025

    16 °F

  • Average December

    33.3 °F

  • Highest 19 December, 2025

    55.9 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (5.6 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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