Upper Darby Weather Forecast

    • 70
    • 85

    Chance Rain Showers

    • 71
    • 82

    Chance Thunderstorms

    • 67
    • 89

    Chance Thunderstorms

    • 62
    • 82

    Mostly Sunny

    • 65
    • 83

    Slight Chance Rain Showers

    • 69
    • 85

    Slight Chance Thunderstorms

Today 18 Jul Delaware

Mostly sunny. Highs in the mid 80s. Northwest Winds 5 to 10 Mph.

Tonight 18 Jul Delaware

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows around 70. North Winds around 5 Mph, becoming east after midnight. Chance of rain 20 percent.

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Upper Darby Temperature Statistics

July Temperature

Philadelphia, Philadelphia International Airport (6.8 miles)

  • Lowest 5 July, 2025

    66.7 °F

  • Average July

    80.4 °F

  • Highest 8 July, 2025

    96.7 °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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