Schuylkill River - Chestnut Street Bridge Weather Forecast

    • 18
    • 29

    Increasing Clouds

    • 24
    • 32

    Partly Sunny

    • 27
    • 42

    Partly Sunny

    • 38
    • 52

    Mostly Cloudy

    • 23
    • 48

    Partly Sunny

    • 33
    • 40

    Mostly Cloudy

Today 15 Dec Philadelphia

Sunny in the Morning, then mostly cloudy with a slight chance of snow Showers in the afternoon. Cold with Highs in the upper 20s. West Winds around 10 Mph with Gusts up to 20 Mph. Chance of snow 20 percent.

Tonight 15 Dec Philadelphia

Mostly cloudy in the Evening, then becoming partly cloudy. Cold with Lows around 18. West Winds around 5 Mph.

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Schuylkill River - Chestnut Street Bridge Temperature Statistics

December Temperature

Philadelphia, Philadelphia International Airport (5.6 miles)

  • Lowest 9 December, 2025

    18 °F

  • Average December

    34.8 °F

  • Highest 10 December, 2025

    46.9 °F

Climate (2020–Present)

Philadelphia, Philadelphia International Airport (5.6 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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