Crystal Lake Weather Forecast

    • -2
    • 12

    Mostly Cloudy

    • -4
    • 14

    Decreasing Clouds

    • -6
    • 10

    Cold

    • 3
    • 12

    Mostly Cloudy

    • 8
    • 14

    Blustery

    • 10
    • 26

    Partly Sunny

    • 9
    • 25

    Mostly Cloudy

Today 28 Jan Sullivan

Partly sunny with a chance of Flurries. Continued cold with Highs around 15. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 2 below.

Tonight 28 Jan Sullivan

Mostly cloudy with a chance of Flurries this Evening, then partly cloudy after midnight. Cold with Lows around zero. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 16 below.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

January Temperature

Williamsport - Lycoming County Airport (14.3 miles)

  • Lowest 24 January, 2026

    1.9 °F

  • Average January

    27.4 °F

  • Highest 8 January, 2026

    50.6 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (14.3 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.2 °F
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