Colwyn Weather Forecast

    • 22
    • 31

    Decreasing Clouds

    • 24
    • 43

    Partly Sunny

    • 44
    • 53

    Rain

    • 25
    • 50

    Partly Sunny

    • 33
    • 40

    Mostly Cloudy

    • 30
    • 48

    Mostly Cloudy

Today 16 Dec Delaware

Sunny, cold with Highs in the lower 30s. West Winds around 5 Mph.

Tonight 16 Dec Delaware

Partly cloudy in the Evening, then becoming mostly clear. Cold with Lows in the lower 20s. Southwest Winds around 5 Mph.

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Colwyn Temperature Statistics

December Temperature

Philadelphia, Philadelphia International Airport (2.5 miles)

  • Lowest 9 December, 2025

    18 °F

  • Average December

    34.5 °F

  • Highest 10 December, 2025

    46.9 °F

Climate (2020–Present)

Philadelphia, Philadelphia International Airport (2.5 miles)

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  • Average Low 2020–2025

    50.3 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    66.9 °F
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