Cottonwood Lake Weather Forecast

    • 58
    • 83

    Decreasing Clouds

    • 61
    • 86

    Mostly Sunny

    • 65
    • 88

    Slight Chance Thunderstorms

    • 68
    • 92

    Chance Thunderstorms

    • 61
    • 84

    Chance Thunderstorms

    • 57
    • 80

    Chance Thunderstorms

    • 57
    • 79

    Chance Thunderstorms

Today 30 Jun McHenry

Partly sunny. Highs in the lower 80s. Northwest Winds around 20 Mph with Gusts up to 30 Mph.

Tonight 30 Jun McHenry

Mostly clear. Lows in the mid 50s. West Winds 5 to 15 Mph.

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Cottonwood Lake Temperature Statistics

June Temperature

Harvey Municipal Airport (34.8 miles)

  • Lowest 4 June, 2025

    41 °F

  • Average June

    63.6 °F

  • Highest 1 June, 2025

    87.8 °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

    51.9 °F
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