Upper Darby Weather Forecast

    • 26
    • 40

    Mostly Cloudy

    • 16
    • 31

    Partly Sunny

    • 29
    • 34

    Mostly Cloudy

    • 35
    • 45

    Chance Rain

    • 31
    • 44

    Chance Rain

    • 23
    • 40

    Chance Rain/Snow

Today 7 Dec Delaware

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 40s. North Winds around 5 Mph, becoming southwest around 5 Mph in the afternoon.

Tonight 7 Dec Delaware

Mostly cloudy in the Evening, then becoming partly cloudy. Cold with Lows in the mid 20s. Southwest Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph after midnight.

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  • Temperature Real-Time

Upper Darby Temperature Statistics

December Temperature

Philadelphia, Philadelphia International Airport (6.8 miles)

  • Lowest 4 December, 2025

    28.9 °F

  • Average December

    37.6 °F

  • Highest 1 December, 2025

    46 °F

Climate (2020–Present)

Philadelphia, Philadelphia International Airport (6.8 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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