Crystal Lake Weather Forecast

    • 64
    • 82

    Slight Chance Rain Showers

    • 66
    • 82

    Slight Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

    • 61
    • 81

    Mostly Cloudy

    • 57
    • 76

    Mostly Cloudy

    • 57
    • 73

    Chance Rain Showers

Today 9 Aug Hancock

Mostly sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 9 Aug Hancock

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog after midnight. Humid with Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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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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