Pen Argyl Weather Forecast

    • 13
    • 27

    Gradual Clearing

    • 18
    • 30

    Increasing Clouds

    • 21
    • 41

    Partly Sunny

    • 36
    • 48

    Rain

    • 21
    • 47

    Partly Sunny

    • 29
    • 35

    Slight Chance Freezing Rain

    • 25
    • 43

    Partly Sunny

Today 15 Dec Northampton

Mostly sunny this Morning, then becoming mostly cloudy. Cold with Highs in the upper 20s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 2 below this morning.

Tonight 15 Dec Northampton

Mostly cloudy with a chance of snow this Evening, then partly cloudy after midnight. Cold with Lows around 12. Southwest Winds 5 to 10 Mph. Chance of snow 30 percent.

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Pen Argyl Temperature Statistics

December Temperature

Allentown, Lehigh Valley International Airport (18 miles)

  • Lowest 9 December, 2025

    8.1 °F

  • Average December

    28.6 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Allentown, Lehigh Valley International Airport (18 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    63.5 °F
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