Delaware River - Penny Pack Park Weather Forecast

    • 61
    • 81

    Becoming Sunny

    • 60
    • 85

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 59
    • 76

    Partly Sunny

    • 61
    • 78

    Partly Sunny

    • 63
    • 82

    Partly Sunny

Today 18 Sep Philadelphia

Mostly sunny. A slight chance of Showers in the morning. Areas of fog in the morning. Warmer with Highs in the lower 80s. North Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Sep Philadelphia

Mostly clear. Lows in the lower 60s. West Winds around 5 Mph.

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Delaware River - Penny Pack Park Temperature Statistics

September Temperature

Philadelphia, Northeast Philadelphia Airport (3.1 miles)

  • Lowest 8 September, 2025

    53.1 °F

  • Average September

    69.7 °F

  • Highest 6 September, 2025

    87.1 °F

Climate (2020–Present)

Philadelphia, Northeast Philadelphia Airport (3.1 miles)

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  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    66.6 °F
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