Crystal Lake Weather Forecast

    • 19
    • 38

    Chance Snow

    • 20
    • 32

    Slight Chance Snow

    • 27
    • 37

    Partly Sunny

    • 26
    • 46

    Partly Sunny

    • 14
    • 30

    Mostly Cloudy

    • 15
    • 24

    Chance Snow

Today 25 Feb Sullivan

Mostly cloudy. Snow Likely, mainly in the morning. Total snow accumulation of 2 to 4 Inches. Not as cool with Highs in the upper 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 70 percent.

Tonight 25 Feb Sullivan

Snow. Snow may be heavy at Times. Snow accumulation of 1 to 3 Inches. Lows around 20. Temperature rising into the mid 20s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 90 percent.

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Crystal Lake Temperature Statistics

February Temperature

Williamsport - Lycoming County Airport (14.3 miles)

  • Lowest 9 February, 2026

    -2.3 °F

  • Average February

    26.5 °F

  • Highest 14 February, 2026

    49.6 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (14.3 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    63.2 °F
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