North Star Weather Forecast

    • 25
    • 42

    Becoming Sunny

    • 26
    • 41

    Mostly Cloudy

    • 15
    • 31

    Partly Sunny

    • 29
    • 34

    Mostly Cloudy

    • 34
    • 45

    Chance Rain

    • 30
    • 44

    Chance Rain

    • 21
    • 40

    Slight Chance Rain/Snow

Today 6 Dec New Castle

Partly sunny. A slight chance of drizzle late this morning. Not as cool with Highs in the lower 40s. West Winds around 5 Mph.

Tonight 6 Dec New Castle

Mostly clear. Cold with Lows in the mid 20s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North Star Temperature Statistics

December Temperature

Wilmington, New Castle County Airport (8.1 miles)

  • Lowest 4 December, 2025

    28 °F

  • Average December

    36.4 °F

  • Highest 1 December, 2025

    45 °F

Climate (2020–Present)

Wilmington, New Castle County Airport (8.1 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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