Cottonwood Lake Weather Forecast

    • 27
    • 54

    Rain Showers Likely

    • 46
    • 60

    Partly Sunny

    • 39
    • 64

    Chance Rain Showers

    • 37
    • 63

    Partly Sunny

    • 46
    • 68

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

Today 28 Apr McHenry

Mostly cloudy. A chance of Showers in the morning. Windy, cooler. Highs in the lower 50s. North Winds 20 to 30 Mph with Gusts up to 40 Mph. Chance of rain 30 percent.

Tonight 28 Apr McHenry

Mostly clear. Colder. Lows in the mid 20s. North Winds 10 to 15 Mph with Gusts up to 30 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cottonwood Lake Temperature Statistics

April Temperature

Harvey Municipal Airport (34.8 miles)

  • Lowest 5 April, 2025

    15.8 °F

  • Average April

    40.9 °F

  • Highest 11 April, 2025

    71.6 °F

Climate (2020–Present)

Harvey Municipal Airport (34.8 miles)

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  • Average Low 2020–2025

    30.1 °F

  • Average 2020–2025

    41.1 °F

  • Average High 2020–2025

    51.8 °F
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