Williamsport Weather Forecast

    • 36
    • 37

    Rain Likely

    • 21
    • 38

    Chance Rain/Snow

    • 19
    • 28

    Chance Snow

    • 7
    • 30

    Slight Chance Snow

    • -2
    • 15

    Chance Snow

    • -1
    • 11

    Partly Sunny

Today 9 Dec Warren

Partly cloudy this Morning, then becoming mostly cloudy. Not as cool with Highs in the mid 30s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 9 Dec Warren

A chance of rain through Midnight, then rain likely toward daybreak. Breezy and not as cool with Lows in the mid 30s. Temperature steady or slowly rising after midnight. Southwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 60 percent.

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Williamsport Temperature Statistics

December Temperature

Danville, Vermilion County Airport (16.8 miles)

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  • Average December

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Climate (2020–Present)

Danville, Vermilion County Airport (16.8 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    64 °F
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