Cook County Forest Preserve Weather Forecast

    • 54
    • 71

    Slight Chance Rain Showers

    • 59
    • 77

    Partly Sunny

    • 57
    • 78

    Rain Showers

    • 62
    • 77

    Rain Showers

    • 58
    • 76

    Partly Sunny

    • 61
    • 79

    Mostly Sunny

Today 14 Jun Northern Cook

Partly cloudy. A slight chance of Showers early in the morning. Highs in the lower 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 20 percent.

Tonight 14 Jun Northern Cook

Clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. Northwest Winds 5 to 10 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cook County Forest Preserve Temperature Statistics

June Temperature

Chicago, Chicago-O'Hare International Airport (2.5 miles)

  • Lowest 2 June, 2026

    50.6 °F

  • Average June

    73 °F

  • Highest 10 June, 2026

    91 °F

Climate (2021–Present)

Chicago, Chicago-O'Hare International Airport (2.5 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    61.9 °F
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