Delaware River - Philadelphia Weather Forecast

    • 25
    • 33

    Decreasing Clouds

    • 36
    • 43

    Rain

    • 28
    • 58

    Rain

    • 26
    • 34

    Partly Sunny

    • 26
    • 37

    Mostly Cloudy

    • 19
    • 36

    Slight Chance Snow

Today 27 Dec Philadelphia

Cloudy. Near steady temperature in the lower 30s. Northeast Winds 5 to 10 Mph.

Tonight 27 Dec Philadelphia

Mostly cloudy. Cold with Lows in the lower 20s. North Winds around 5 Mph.

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Delaware River - Philadelphia Temperature Statistics

December Temperature

Philadelphia, Philadelphia International Airport (5.6 miles)

  • Lowest 9 December, 2025

    18 °F

  • Average December

    35.7 °F

  • Highest 19 December, 2025

    61 °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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