Crystal Lake Weather Forecast

    • 47
    • 69

    Slight Chance Thunderstorms

    • 53
    • 69

    Rain Showers

    • 38
    • 67

    Rain Showers

    • 36
    • 55

    Partly Sunny

    • 35
    • 59

    Partly Sunny

    • 35
    • 56

    Partly Sunny

    • 36
    • 59

    Partly Sunny

Today 25 Apr Hancock

Partly sunny. Near steady temperature in the mid 60s. East Winds 10 to 15 Mph.

Tonight 25 Apr Hancock

Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the upper 40s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

April Temperature

Forest City Municipal Airport (8.1 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    44.6 °F

  • Highest 13 April, 2026

    77 °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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