Crystal Lake Weather Forecast

    • 36
    • 63

    Becoming Sunny

    • 43
    • 69

    Partly Sunny

    • 37
    • 67

    Partly Sunny

    • 35
    • 62

    Mostly Sunny

    • 45
    • 69

    Mostly Cloudy

    • 45
    • 74

    Partly Sunny

Today 7 May Hancock

Mostly Cloudy, then becoming mostly sunny this Morning, then becoming sunny. Highs in the lower 60s. South Winds around 5 Mph, becoming west.

Tonight 7 May Hancock

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 30s. North Winds 5 to 10 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

May Temperature

Forest City Municipal Airport (8.1 miles)

  • Lowest 2 May, 2026

    28.4 °F
  • Average May

    50.8 °F
  • Highest 4 May, 2026

    69.8 °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

    47.2 °F
  • Average High 2021–2026

    57.4 °F
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