Upper Darby Weather Forecast

    • 61
    • 75

    Rain Showers Likely

    • 62
    • 69

    Rain Showers Likely

    • 62
    • 79

    Partly Sunny

    • 57
    • 82

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 57
    • 76

    Partly Sunny

    • 61
    • 78

    Partly Sunny

Today 16 Sep Delaware

Mostly cloudy. A chance of Showers this afternoon. Highs in the mid 70s. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 16 Sep Delaware

Mostly cloudy. A slight chance of Showers and Thunderstorms this Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the lower 60s. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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Upper Darby Temperature Statistics

September Temperature

Philadelphia, Philadelphia International Airport (6.8 miles)

  • Lowest 8 September, 2025

    57 °F

  • Average September

    71.7 °F

  • Highest 6 September, 2025

    90 °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

    67 °F
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