Crystal Lake Weather Forecast

    • 16
    • 25

    Mostly Cloudy

    • 29
    • 37

    Partly Sunny

    • 13
    • 36

    Partly Sunny

    • 23
    • 34

    Partly Sunny

    • 25
    • 37

    Partly Sunny

    • 30
    • 48

    Partly Sunny

Today 4 Feb Hancock

Mostly cloudy. Highs in the mid 20s. West Winds 5 to 10 Mph, becoming northwest this afternoon.

Tonight 4 Feb Hancock

Mostly cloudy. Lows around 16. Temperature rising into the lower 20s after midnight. West Winds around 5 Mph, becoming southwest with Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

February Temperature

Forest City Municipal Airport (8.1 miles)

  • Lowest 1 February, 2026

    14 °F

  • Average February

    21.5 °F

  • Highest 1 February, 2026

    30.2 °F

Climate (2021–Present)

Forest City Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    57.2 °F
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