King of Prussia Weather Forecast

    • 23
    • 32

    Mostly Cloudy

    • 24
    • 42

    Partly Sunny

    • 24
    • 41

    Slight Chance Rain/Snow

    • 15
    • 33

    Mostly Sunny

    • 27
    • 35

    Slight Chance Snow

    • 31
    • 41

    Chance Rain

Today 5 Dec Eastern Montgomery

Partly sunny in the Morning, then mostly cloudy with a slight chance of snow in the afternoon. Cold with Highs in the lower 30s. East Winds around 5 Mph. Chance of snow 20 percent.

Tonight 5 Dec Eastern Montgomery

Mostly cloudy. Cold with Lows in the mid 20s. Light and variable Winds.

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King of Prussia Temperature Statistics

December Temperature

Philadelphia - Wings Field Airport (6.2 miles)

  • Lowest 1 December, 2025

    23.7 °F

  • Average December

    34.1 °F

  • Highest 1 December, 2025

    41.9 °F

Climate (2020–Present)

Philadelphia - Wings Field Airport (6.2 miles)

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  • Average Low 2020–2025

    44.7 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    64.5 °F
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