Philadelphia International Airport Weather Forecast

    • 24
    • 43

    Partly Sunny

    • 45
    • 52

    Rain

    • 27
    • 56

    Rain Likely

    • 35
    • 41

    Mostly Cloudy

    • 28
    • 49

    Partly Sunny

    • 27
    • 39

    Partly Sunny

Today 17 Dec Delaware

Partly sunny. Not as cool with Highs in the mid 40s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 17 Dec Delaware

Partly cloudy. Cold with Lows in the mid 20s. West Winds 5 to 10 Mph, becoming north after midnight.

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Philadelphia International Airport Temperature Statistics

December Temperature

Philadelphia, Philadelphia International Airport (0.6 miles)

  • Lowest 9 December, 2025

    18 °F

  • Average December

    33.8 °F

  • Highest 10 December, 2025

    46.9 °F

Climate (2020–Present)

Philadelphia, Philadelphia International Airport (0.6 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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