Crystal Lake Weather Forecast

    • 39
    • 82

    Increasing Clouds

    • 28
    • 47

    Partly Sunny

    • 37
    • 51

    Partly Sunny

    • 41
    • 59

    Mostly Cloudy

    • 43
    • 66

    Mostly Cloudy

    • 28
    • 57

    Mostly Cloudy

    • 27
    • 46

    Mostly Cloudy

Today 21 Mar Hancock

Sunny. Highs in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Mar Hancock

Sunny, then becoming partly cloudy this Evening, then becoming mostly cloudy. Lows around 40. West Winds 10 to 15 Mph, becoming southeast 5 to 10 Mph with Gusts up to 20 Mph this Evening, then increasing to north 15 to 20 Mph with Gusts up to 35 Mph after midnight.

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Crystal Lake Temperature Statistics

March Temperature

Forest City Municipal Airport (8.1 miles)

  • Lowest 16 March, 2026

    3.2 °F

  • Average March

    34.9 °F

  • Highest 8 March, 2026

    62.6 °F

Climate (2021–Present)

Forest City Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    57.4 °F
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