Williamsport Weather Forecast

    • 57
    • 83

    Sunny

    • 62
    • 87

    Partly Cloudy

    • 65
    • 88

    Mostly Cloudy

    • 64
    • 83

    Slight Chance Rain Showers

    • 62
    • 82

    Slight Chance Thunderstorms

    • 62
    • 82

    Partly Sunny

    • 65
    • 85

    Partly Sunny

Today 3 Aug Southern Lycoming

Sunny. Near steady temperature in the upper 70s. East Winds around 5 Mph.

Tonight 3 Aug Southern Lycoming

Clear. Patchy fog. Lows in the mid 50s. Light and variable Winds.

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Williamsport Temperature Statistics

August Temperature

Williamsport - Lycoming County Airport (3.7 miles)

  • Lowest 1 August, 2025

    60.1 °F

  • Average August

    69.2 °F

  • Highest 1 August, 2025

    79 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (3.7 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.3 °F
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