Williamsport Weather Forecast

    • 4
    • 26

    Decreasing Clouds

    • 3
    • 21

    Partly Sunny

    • 2
    • 22

    Partly Sunny

    • 2
    • 20

    Partly Sunny

    • 11
    • 18

    Chance Snow

    • 12
    • 24

    Partly Sunny

    • 14
    • 31

    Partly Sunny

Today 27 Jan Washington

Cloudy. Highs in the mid 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 27 Jan Washington

Mostly cloudy in the Evening, then becoming partly cloudy. Cold with Lows around 4 above. West Winds 5 to 10 Mph with Gusts up to 25 Mph. Wind chill Values as low as 8 below after midnight.

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Williamsport Temperature Statistics

January Temperature

Hagerstown, Washington County Regional Airport (8.7 miles)

  • Lowest 24 January, 2026

    3.9 °F

  • Average January

    33.4 °F

  • Highest 7 January, 2026

    57.7 °F

Climate (2021–Present)

Hagerstown, Washington County Regional Airport (8.7 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    65.8 °F
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