Crystal Lake Weather Forecast

    • 54
    • 67

    Rain Showers

    • 43
    • 58

    Rain Showers Likely

    • 46
    • 51

    Rain Showers Likely

    • 53
    • 69

    Chance Thunderstorms

    • 51
    • 72

    Rain Showers Likely

    • 31
    • 58

    Chance Rain Showers

    • 30
    • 46

    Mostly Sunny

Today 31 Mar Sullivan

Mostly cloudy with a chance of Showers and Thunderstorms. Some Thunderstorms may be severe. Unseasonably warm. Near steady temperature in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 31 Mar Sullivan

Showers likely with a chance of Thunderstorms this Evening, then Showers with a chance of Thunderstorms after midnight. Some Thunderstorms may be severe this evening. Unseasonably mild. Lows in the mid 50s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

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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

    42.4 °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

    63.1 °F
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