Cottonwood Lake Weather Forecast

    • 52
    • 77

    Slight Chance Rain Showers

    • 41
    • 73

    Windy

    • 41
    • 69

    Partly Sunny

    • 39
    • 57

    Rain Showers Likely

    • 34
    • 50

    Chance Rain Showers

    • 38
    • 56

    Slight Chance Rain Showers

Today 14 May McHenry

Partly sunny with a slight chance of Showers in the Morning, then sunny in the afternoon. Very windy. Highs in the mid 70s. Southwest Winds 25 to 30 Mph with Gusts up to 40 Mph, becoming west 30 to 40 Mph with Gusts up to 50 Mph in the afternoon. Chance of rain 20 percent.

Tonight 14 May McHenry

Partly cloudy in the evening then clearing. Very windy. Lows around 50. West Winds 30 to 35 Mph with Gusts up to 50 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cottonwood Lake Temperature Statistics

May Temperature

Harvey Municipal Airport (34.8 miles)

  • Lowest 7 May, 2026

    23 °F

  • Average May

    48.1 °F

  • Highest 11 May, 2026

    80.6 °F

Climate (2021–Present)

Harvey Municipal Airport (34.8 miles)

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  • Average Low 2021–2026

    30.3 °F

  • Average 2021–2026

    41.2 °F

  • Average High 2021–2026

    51.9 °F
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