Crystal Lake Weather Forecast

    • 36
    • 46

    Chance Rain

    • 26
    • 42

    Partly Sunny

    • 31
    • 44

    Partly Sunny

    • 34
    • 46

    Mostly Cloudy

    • 42
    • 45

    Rain Showers Likely

    • 33
    • 52

    Chance Rain Showers

Today 21 Nov Sullivan

Cloudy. Highs in the upper 40s. Southwest Winds 5 to 10 Mph.

Tonight 21 Nov Sullivan

Cloudy with Areas of drizzle. Patchy fog. Near steady temperature in the mid 30s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

November Temperature

Williamsport - Lycoming County Airport (14.3 miles)

  • Lowest 7 November, 2025

    28 °F

  • Average November

    43.3 °F

  • Highest 5 November, 2025

    66.9 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (14.3 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.3 °F
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