10-Day Weather Forecast - Williamsport, PA

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  • 30|11°F
    50% Chance of Snow
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    Today

    30°F

    Mostly cloudy. A slight chance of snow this morning then a chance of snow this afternoon. Snow accumulation up to 1 inch possible. Highs in the mid 20s. South winds around 5 mph. Chance of snow 50 percent.

    Tonight

    11°F

    Mostly cloudy. A chance of snow in the evening then a slight chance of snow showers after midnight. Snow accumulation up to 1 inch possible. Blustery colder with lows around zero. Southwest winds 5 to 10 mph with gusts up to 20 mph increasing to northwest 20 to 25 mph with gusts up to 40 mph after midnight. Chance of snow 50 percent. Wind chill values as low as 15 below after midnight.

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  • Weekend Weather

  • Day

    12°F

    Partly sunny and blustery. Much colder with highs around 10. Northwest winds 20 to 25 mph with gusts up to 45 mph. Wind chill values as low as 23 below.

    Night

    3°F

    Partly cloudy. Cold with lows around zero. Northwest winds 15 to 20 mph. Gusts up to 40 mph decreasing to 30 mph after midnight. Wind chill values as low as 19 below.

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  • Day

    19°F

    Sunny. Highs around 20. Northwest winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 19 below in the morning.

    Night

    1°F

    Mostly clear in the evening then becoming mostly cloudy. Cold with lows zero to 5 above zero. Wind chill values as low as 5 below.

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  • Day

    27°F

    Mostly cloudy. Highs in the mid 20s.

    Night

    14°F

    Partly cloudy. Lows around 10 above.

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  • Day

    35°F

    Sunny in the morning then becoming partly sunny. Highs in the lower 30s.

    Night

    23°F

    Partly cloudy in the evening then mostly cloudy with a chance of freezing rain and snow showers after midnight. Lows in the lower 20s. Chance of precipitation 30 percent.

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  • Day

    35°F

    A chance of freezing rain in the morning. Cloudy with a chance of snow and rain showers. Highs in the mid 30s. Chance of precipitation 40 percent.

    Night

    23°F

    Mostly cloudy. Lows around 20.

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  • Day

    35°F

    Mostly cloudy. Highs in the lower 30s.

    Night

    21°F

    Mostly cloudy. Low temperature around 21F. Dew point will be around 18F with an average humidity of 79%. Winds will be 10 mph from the NW.

  • Day

    35°F

    Mostly sunny. High temperature around 35F. Dew point will be around 22F with an average humidity of 72%. Winds will be 7 mph from the NW.

    Night

    24°F

    Partly cloudy. Low temperature around 24F. Dew point will be around 21F with an average humidity of 84%. Winds will be 4 mph from the NW.

  • Weekend Weather

  • Day

    37°F

    Cloudy. High temperature around 36F. Dew point will be around 26F with an average humidity of 80%. Winds will be 2 mph from the NW.

    Night

    28°F

    Cloudy. Low temperature around 28F. Dew point will be around 26F with an average humidity of 88%. Winds will be 2 mph from the NW.

  • Day

    39°F

    Cloudy. High temperature around 39F. Dew point will be around 30F with an average humidity of 83%. Winds will be 4 mph from the W.

    Night

    27°F

    Cloudy. Low temperature around 27F. Dew point will be around 26F with an average humidity of 87%. Winds will be 5 mph from the W.