Crystal Lake Weather Forecast

    • 37
    • 50

    Mostly Cloudy

    • 37
    • 56

    Partly Sunny

    • 40
    • 54

    Chance Rain

    • 36
    • 49

    Rain

    • 31
    • 39

    Chance Rain/Snow

    • 32
    • 40

    Mostly Cloudy

Today 9 Nov Sullivan

Mostly cloudy with a chance of Showers this Morning, then partly sunny this afternoon. Highs around 50. Northwest Winds 10 to 15 Mph. Gusts up to 40 Mph, decreasing to 30 Mph this afternoon. Chance of rain 40 percent.

Tonight 9 Nov Sullivan

Mostly cloudy. Lows in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west around 5 Mph after midnight.

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Crystal Lake Temperature Statistics

November Temperature

Williamsport - Lycoming County Airport (14.3 miles)

  • Lowest 1 November, 2026

    33.1 °F

  • Average November

    55 °F

  • Highest 4 November, 2026

    72.6 °F

Climate (2021–2026)

Williamsport - Lycoming County Airport (14.3 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    63.4 °F
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