Williamsport Regional Airport Weather Forecast

    • 33
    • 46

    Chance Rain/Snow

    • 32
    • 48

    Mostly Cloudy

    • 40
    • 47

    Rain Showers Likely

    • 35
    • 55

    Chance Rain Showers

    • 30
    • 49

    Chance Rain Showers

    • 31
    • 51

    Mostly Cloudy

Today 18 Nov Southern Lycoming

Mostly cloudy. A slight chance of rain this afternoon. Highs in the mid 40s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Nov Southern Lycoming

Cloudy with a chance of rain. A chance of snow after midnight. Little or no snow accumulation. Lows in the lower 30s. South Winds around 5 Mph in the Evening, becoming light and variable. Chance of precipitation 50 percent.

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Williamsport Regional Airport Temperature Statistics

November Temperature

Williamsport - Lycoming County Airport (0 miles)

  • Lowest 7 November, 2025

    28 °F

  • Average November

    43.8 °F

  • Highest 5 November, 2025

    66.9 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (0 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.3 °F
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