Blackbird Creek Mouth Weather Forecast

    • 32
    • 36

    Increasing Clouds

    • 37
    • 46

    Chance Rain

    • 29
    • 42

    Partly Sunny

    • 29
    • 39

    Chance Snow

    • 25
    • 38

    Mostly Cloudy

    • 22
    • 33

    Mostly Sunny

Today 9 Dec New Castle

Sunny. Highs in the mid 30s. Northeast Winds around 5 Mph, becoming south around 5 Mph in the afternoon.

Tonight 9 Dec New Castle

Mostly cloudy and not as cold. Near steady temperature around 30. Southwest Winds 5 to 10 Mph.

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Blackbird Creek Mouth Temperature Statistics

December Temperature

Wilmington, New Castle County Airport (16.2 miles)

  • Lowest 5 December, 2025

    24.1 °F

  • Average December

    34.7 °F

  • Highest 1 December, 2025

    45 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (16.2 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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