Cook County Forest Preserve Weather Forecast

    • 57
    • 68

    Rain Showers Likely

    • 54
    • 60

    Chance Rain Showers

    • 57
    • 68

    Partly Sunny

    • 62
    • 74

    Rain Showers Likely

    • 50
    • 73

    Chance Rain Showers

    • 44
    • 61

    Chance Rain Showers

Today 14 Oct Northern Cook

Mostly cloudy. Highs in the upper 60s. Northeast Winds around 10 Mph.

Tonight 14 Oct Northern Cook

Cloudy. A slight chance of Showers after midnight. Showers likely late. Lows in the mid 50s. Northeast Winds around 10 Mph. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cook County Forest Preserve Temperature Statistics

October Temperature

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

  • Lowest 9 October, 2025

    46 °F

  • Average October

    65.4 °F

  • Highest 3 October, 2025

    88 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    61.8 °F
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