Crystal Lake Weather Forecast

    • 32
    • 48

    Mostly Cloudy

    • 40
    • 52

    Mostly Cloudy

    • 40
    • 65

    Partly Sunny

    • 38
    • 74

    Partly Sunny

    • 25
    • 46

    Mostly Cloudy

    • 32
    • 47

    Mostly Cloudy

    • 34
    • 52

    Mostly Cloudy

Today 18 Mar Hancock

Mostly sunny. Not as cool with Highs in the upper 40s. Southwest Winds around 5 Mph.

Tonight 18 Mar Hancock

Mostly cloudy. Lows in the lower 30s. South Winds around 5 Mph, becoming west.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

March Temperature

Forest City Municipal Airport (8.1 miles)

  • Lowest 16 March, 2026

    3.2 °F

  • Average March

    34.5 °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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