Crystal Lake Weather Forecast

    • 60
    • 80

    Thunderstorms Likely

    • 67
    • 87

    Partly Sunny

    • 68
    • 91

    Mostly Sunny

    • 71
    • 93

    Slight Chance Thunderstorms

    • 69
    • 93

    Chance Thunderstorms

    • 65
    • 88

    Chance Rain Showers

Today 1 Sep Aurora

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 1 Sep Aurora

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Humid with Lows around 60. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

September Temperature

Mitchell, Mitchell Municipal Airport (28 miles)

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  • Average September

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Climate (2021–2026)

Mitchell, Mitchell Municipal Airport (28 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    61.4 °F
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