Cornish Hills Weather Forecast

    • 29
    • 40

    Snow Likely

    • 37
    • 44

    Chance Rain/Snow

    • 30
    • 46

    Mostly Cloudy

    • 38
    • 44

    Rain Likely

    • 37
    • 56

    Rain Likely

    • 37
    • 50

    Chance Rain

Today 22 Dec New Castle

Sunny. Highs around 40. West Winds around 5 Mph.

Tonight 22 Dec New Castle

Mostly cloudy. A chance of snow after midnight. Little or no snow accumulation. Cold with Lows around 30. Temperature rising into the mid 30s after midnight. Southwest Winds around 5 Mph. Chance of snow 50 percent.

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Cornish Hills Temperature Statistics

December Temperature

Wilmington, New Castle County Airport (8.1 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 (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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