Cottonwood Lake Weather Forecast

    • 25
    • 43

    Increasing Clouds

    • 27
    • 44

    Partly Sunny

    • 28
    • 46

    Partly Sunny

    • 27
    • 47

    Partly Sunny

    • 28
    • 45

    Mostly Cloudy

    • 27
    • 46

    Mostly Cloudy

Today 11 Feb McHenry

Mostly sunny. Highs in the upper 30s. South Winds 5 to 10 Mph. Gusts up to 45 Mph early in the morning.

Tonight 11 Feb McHenry

Decreasing Clouds. Lows around 20. South Winds around 5 Mph.

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  • Temperature Real-Time

Cottonwood Lake Temperature Statistics

February Temperature

Harvey Municipal Airport (34.8 miles)

  • Lowest 2 February, 2026

    8.6 °F

  • Average February

    27.8 °F

  • Highest 5 February, 2026

    46.4 °F

Climate (2021–Present)

Harvey Municipal Airport (34.8 miles)

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  • Average Low 2021–2026

    30.2 °F

  • Average 2021–2026

    41.2 °F

  • Average High 2021–2026

    52 °F
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