Glendon Weather Forecast

    • 19
    • 30

    Increasing Clouds

    • 21
    • 43

    Partly Sunny

    • 42
    • 51

    Mostly Cloudy

    • 23
    • 49

    Partly Sunny

    • 29
    • 37

    Mostly Cloudy

    • 26
    • 45

    Slight Chance Rain/Snow

Today 16 Dec Northampton

Sunny, cold with Highs in the upper 20s. West Winds around 5 Mph.

Tonight 16 Dec Northampton

Partly cloudy in the Evening, then clearing. Cold with Lows around 18. Southwest Winds around 5 Mph.

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Glendon Temperature Statistics

December Temperature

Allentown, Lehigh Valley International Airport (11.2 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 (11.2 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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