Montoursville Weather Forecast

    • 14
    • 18

    Snow

    • 2
    • 25

    Mostly Cloudy

    • -1
    • 17

    Mostly Cloudy

    • 2
    • 20

    Mostly Cloudy

    • 5
    • 19

    Mostly Cloudy

    • 6
    • 21

    Partly Sunny

Today 25 Jan Southern Lycoming

Snow. Snow may be heavy at Times. Additional snow accumulation of 6 to 10 Inches. Highs around 20. East Winds 5 to 10 Mph. Chance of snow near 100 percent. Wind chill Values as low as 1 below.

Tonight 25 Jan Southern Lycoming

Cloudy with a 50 percent chance of snow. Snow may be heavy at Times. Snow accumulation around an inch possible. Near steady temperature around 10 above. East Winds around 5 Mph.

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Montoursville Temperature Statistics

January Temperature

Williamsport - Lycoming County Airport (0.6 miles)

  • Lowest 21 January, 2026

    1.9 °F

  • Average January

    29.6 °F

  • Highest 8 January, 2026

    50.6 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (0.6 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    63.2 °F
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