Hartleton Weather Forecast

    • 13
    • 26

    Chance Snow Showers

    • 20
    • 32

    Partly Sunny

    • 23
    • 44

    Mostly Cloudy

    • 31
    • 47

    Rain Showers

    • 20
    • 40

    Mostly Cloudy

    • 29
    • 38

    Mostly Cloudy

Today 15 Dec Union

Partly sunny this Morning, then cloudy with a chance of snow Showers this afternoon. Highs in the upper 20s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of snow 30 percent. Wind chill Values as low as zero this morning.

Tonight 15 Dec Union

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

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Hartleton Temperature Statistics

December Temperature

Selinsgrove Penn Valley Airport (16.2 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 (16.2 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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