Crystal Lake Weather Forecast

    • 62
    • 78

    Chance Thunderstorms

    • 61
    • 72

    Rain Showers

    • 59
    • 70

    Rain Showers

    • 59
    • 73

    Slight Chance Thunderstorms

    • 61
    • 78

    Partly Sunny

    • 63
    • 79

    Chance Rain Showers

Today 27 Jul Sullivan

Partly sunny. Patchy fog in the morning. A chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. Light and variable Winds, becoming southwest around 5 Mph in the afternoon. Chance of rain 50 percent.

Tonight 27 Jul Sullivan

Mostly cloudy. Areas of fog. Lows around 60. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

July Temperature

Williamsport - Lycoming County Airport (14.3 miles)

  • Lowest 24 July, 2026

    51.1 °F

  • Average July

    77 °F

  • Highest 2 July, 2026

    100.7 °F

Climate (2021–2026)

Williamsport - Lycoming County Airport (14.3 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    63.3 °F
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