Williamsport Regional Airport Weather Forecast

    • 33
    • 46

    Mostly Cloudy

    • 39
    • 49

    Rain Showers Likely

    • 35
    • 44

    Rain Showers

    • 26
    • 41

    Mostly Cloudy

    • 27
    • 39

    Partly Sunny

    • 30
    • 42

    Mostly Cloudy

Today 8 Jan Southern Lycoming

Patchy fog this morning. Partly sunny. Highs in the mid 40s. West Winds around 5 Mph, becoming south this afternoon.

Tonight 8 Jan Southern Lycoming

Mostly cloudy. Lows in the lower 30s. Southeast Winds 5 to 10 Mph.

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Williamsport Regional Airport Temperature Statistics

January Temperature

Williamsport - Lycoming County Airport (0 miles)

  • Lowest 1 January, 2026

    14 °F

  • Average January

    26.4 °F

  • Highest 6 January, 2026

    39.9 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (0 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    63.2 °F
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