Crystal Lake Weather Forecast

    • 66
    • 82

    Chance Thunderstorms

    • 65
    • 84

    Chance Rain Showers

    • 63
    • 83

    Partly Sunny

    • 58
    • 76

    Chance Rain Showers

    • 59
    • 73

    Chance Rain Showers

    • 58
    • 75

    Chance Rain Showers

Today 10 Aug Hancock

Patchy fog this morning. Partly sunny. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 10 Aug Hancock

Mostly cloudy. Showers likely with a chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. East Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

August Temperature

Forest City Municipal Airport (8.1 miles)

  • Lowest 6 August, 2026

    50 °F

  • Average August

    67.7 °F

  • Highest 2 August, 2026

    82.4 °F

Climate (2021–2026)

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

    57.3 °F
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