Cottonwood Lake Weather Forecast

    • 27
    • 53

    Increasing Clouds

    • 25
    • 42

    Snow

    • 14
    • 32

    Snow Likely

    • 6
    • 23

    Mostly Cloudy

    • 8
    • 20

    Mostly Cloudy

    • 8
    • 21

    Chance Snow

Today 23 Nov McHenry

Mostly sunny. Highs in the lower 50s. Southwest Winds 5 to 10 Mph.

Tonight 23 Nov McHenry

Decreasing Clouds. Lows in the mid 20s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cottonwood Lake Temperature Statistics

November Temperature

Harvey Municipal Airport (34.8 miles)

  • Lowest 10 November, 2025

    12.2 °F

  • Average November

    36.5 °F

  • Highest 14 November, 2025

    69.8 °F

Climate (2020–Present)

Harvey Municipal Airport (34.8 miles)

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  • Average Low 2020–2025

    30.4 °F

  • Average 2020–2025

    41.4 °F

  • Average High 2020–2025

    52.2 °F
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