Williamsport Regional Airport Weather Forecast

    • 35
    • 57

    Mostly Sunny

    • 44
    • 58

    Rain Likely

    • 45
    • 59

    Rain

    • 40
    • 55

    Chance Rain Showers

    • 37
    • 55

    Slight Chance Rain Showers

    • 36
    • 53

    Chance Rain Showers

Today 28 Oct Southern Lycoming

Patchy fog this morning. Sunny. Highs in the mid 50s. Northeast Winds 5 to 10 Mph.

Tonight 28 Oct Southern Lycoming

Mostly clear. Lows in the mid 30s. Northeast Winds 5 to 10 Mph.

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Williamsport Regional Airport Temperature Statistics

October Temperature

Williamsport - Lycoming County Airport (0 miles)

  • Lowest 10 October, 2025

    30.9 °F

  • Average October

    54.8 °F

  • Highest 4 October, 2025

    82.9 °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

    63.4 °F
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