William T. Piper Memorial Airport Weather Forecast

    • 13
    • 22

    Partly Sunny

    • 14
    • 27

    Chance Snow Showers

    • 21
    • 33

    Mostly Cloudy

    • 27
    • 44

    Mostly Cloudy

    • 28
    • 48

    Rain Showers Likely

    • 23
    • 40

    Chance Rain Showers

Today 14 Dec Southern Clinton

Partly sunny. Colder with Highs around 20. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 1 above.

Tonight 14 Dec Southern Clinton

Mostly cloudy. Lows around 15. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 5 above.

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  • Temperature Real-Time

William T. Piper Memorial Airport Temperature Statistics

December Temperature

Williamsport - Lycoming County Airport (26.7 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 (26.7 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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