Bellefonte Weather Forecast

    • 25
    • 44

    Partly Sunny

    • 43
    • 51

    Rain

    • 27
    • 55

    Rain Likely

    • 35
    • 40

    Mostly Cloudy

    • 28
    • 49

    Partly Sunny

    • 26
    • 38

    Partly Sunny

Today 17 Dec New Castle

Mostly sunny. Not as cool with Highs in the mid 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 17 Dec New Castle

Partly cloudy. Cold with Lows in the mid 20s. West Winds around 5 Mph, becoming north after midnight.

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Bellefonte Temperature Statistics

December Temperature

Wilmington, New Castle County Airport (8.1 miles)

  • Lowest 9 December, 2025

    17.1 °F

  • Average December

    32.3 °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

    66.5 °F
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