Kulpmont Weather Forecast

    • 13
    • 24

    Clearing Late

    • 21
    • 29

    Partly Sunny

    • 23
    • 41

    Mostly Cloudy

    • 29
    • 47

    Mostly Cloudy

    • 20
    • 36

    Mostly Cloudy

    • 31
    • 35

    Mostly Cloudy

Today 15 Dec Northumberland

Partly sunny this Morning, then cloudy with a slight chance of snow Showers this afternoon. Highs in the mid 20s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of snow 20 percent. Wind chill Values as low as 2 above this morning.

Tonight 15 Dec Northumberland

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 15. Southwest Winds around 5 Mph.

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Kulpmont Temperature Statistics

December Temperature

Selinsgrove Penn Valley Airport (20.5 miles)

  • Lowest 9 December, 2025

    5 °F

  • Average December

    27.5 °F

  • Highest 1 December, 2025

    39 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (20.5 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    63.1 °F
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