Williamsport Regional Airport Weather Forecast

    • 19
    • 38

    Partly Sunny

    • 2
    • 27

    Partly Sunny

    • 8
    • 16

    Snow Likely

    • 13
    • 17

    Snow Likely

    • 3
    • 21

    Partly Sunny

    • 6
    • 21

    Partly Sunny

Today 22 Jan Southern Lycoming

Mostly sunny. Highs in the mid 30s. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 22 Jan Southern Lycoming

Mostly clear in the Evening, then becoming partly cloudy. Lows around 20. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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Williamsport Regional Airport Temperature Statistics

January Temperature

Williamsport - Lycoming County Airport (0 miles)

  • Lowest 20 January, 2026

    7 °F

  • Average January

    29.7 °F

  • Highest 8 January, 2026

    50 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (0 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    63.2 °F
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