New Columbia Weather Forecast

    • 19
    • 37

    Cloudy

    • 15
    • 25

    Partly Sunny

    • 17
    • 29

    Mostly Cloudy

    • 21
    • 32

    Mostly Cloudy

    • 27
    • 43

    Mostly Cloudy

    • 30
    • 46

    Chance Rain Showers

Today 13 Dec Union

Cloudy. A slight chance of light snow this afternoon. Highs in the mid 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of snow 20 percent.

Tonight 13 Dec Union

Cloudy with a 50 percent chance of light snow. Snow accumulation around half an inch. Lows around 20. West Winds 5 to 10 Mph.

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New Columbia Temperature Statistics

December Temperature

Williamsport - Lycoming County Airport (13.7 miles)

  • Lowest 9 December, 2025

    6.1 °F

  • Average December

    28 °F

  • Highest 1 December, 2025

    37 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (13.7 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    63.2 °F
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