Northwest Wilmington Weather Forecast

    • 30
    • 46

    Increasing Clouds

    • 25
    • 47

    Slight Chance Rain

    • 30
    • 33

    Wintry Mix

    • 34
    • 39

    Chance Rain

    • 28
    • 47

    Rain Likely

    • 20
    • 36

    Partly Sunny

Today 24 Dec New Castle

Sunny. Highs in the mid 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 24 Dec New Castle

Mostly cloudy. Near steady temperature in the upper 30s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Northwest Wilmington Temperature Statistics

December Temperature

Wilmington, New Castle County Airport (6.8 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 (6.8 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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