Crystal Lake Weather Forecast

    • 28
    • 41

    Increasing Clouds

    • 38
    • 46

    Mostly Cloudy

    • 35
    • 60

    Rain Showers

    • 20
    • 40

    Mostly Sunny

    • 24
    • 37

    Partly Sunny

    • 31
    • 45

    Mostly Cloudy

    • 37
    • 52

    Partly Sunny

Today 24 Mar Sullivan

Sunny and not as cool. Near steady temperature in the lower 40s. Southwest Winds around 5 Mph.

Tonight 24 Mar Sullivan

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the upper 20s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

March Temperature

Williamsport - Lycoming County Airport (14.3 miles)

  • Lowest 2 March, 2026

    17.7 °F

  • Average March

    42.2 °F

  • Highest 10 March, 2026

    77.6 °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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