Williamsport Weather Forecast

    • 34
    • 56

    Mostly Sunny

    • 32
    • 56

    Partly Sunny

    • 32
    • 60

    Partly Sunny

    • 33
    • 60

    Partly Sunny

    • 31
    • 57

    Slight Chance Rain Showers

    • 35
    • 55

    Chance Rain Showers

Today 23 Oct Eastern Grant

Mostly sunny. Highs in the mid 50s. South Winds 10 to 15 Mph, becoming west in the afternoon. Gusts up to 30 Mph.

Tonight 23 Oct Eastern Grant

Partly cloudy in the Evening, then becoming mostly clear. Areas of frost after midnight. Lows in the mid 30s. West Winds 10 to 15 Mph.

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Williamsport Temperature Statistics

October Temperature

Petersburg, Grant County Airport (16.2 miles)

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  • Average October

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Climate (2020–Present)

Petersburg, Grant County Airport (16.2 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    67.3 °F
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