Williamsport Regional Airport Weather Forecast

    • 64
    • 80

    Partly Sunny

    • 62
    • 84

    Rain Showers Likely

    • 57
    • 81

    Partly Sunny

    • 60
    • 80

    Mostly Sunny

    • 65
    • 83

    Partly Sunny

    • 67
    • 88

    Mostly Cloudy

Today 26 Aug Southern Lycoming

Patchy fog this morning. Mostly sunny. Highs in the upper 70s. Southwest Winds around 5 Mph.

Tonight 26 Aug Southern Lycoming

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.

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Williamsport Regional Airport Temperature Statistics

August Temperature

Williamsport - Lycoming County Airport (0 miles)

  • Lowest 21 August, 2026

    56.6 °F

  • Average August

    73.7 °F

  • Highest 6 August, 2026

    89.7 °F

Climate (2021–2026)

Williamsport - Lycoming County Airport (0 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    63.3 °F
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