Chestnut Hill Weather Forecast

    • 51
    • 73

    Rain Showers Likely

    • 51
    • 74

    Mostly Sunny

    • 55
    • 76

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 57
    • 79

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

Today 7 Sep Philadelphia

Mostly cloudy. A chance of Showers late this Morning, then a slight chance of Showers this afternoon. Not as warm with Highs in the mid 70s. Northwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 7 Sep Philadelphia

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 50s. West Winds around 5 Mph, becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chestnut Hill Temperature Statistics

September Temperature

Philadelphia - Wings Field Airport (5.6 miles)

  • Lowest 1 September, 2025

    51.1 °F

  • Average September

    69.6 °F

  • Highest 4 September, 2025

    84.2 °F

Climate (2020–Present)

Philadelphia - Wings Field Airport (5.6 miles)

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  • Average Low 2020–2025

    44.7 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    64.6 °F
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