Cook County Forest Preserve Weather Forecast

    • 29
    • 37

    Rain/Snow

    • 39
    • 47

    Rain Showers Likely

    • 29
    • 48

    Breezy

    • 34
    • 41

    Rain/Snow

    • 18
    • 47

    Rain

    • 11
    • 28

    Partly Sunny

Today 11 Mar Northern Cook

Rain until late afternoon. Snow in the late morning and early Afternoon, then a chance of snow late. Little or no snow accumulation. Blustery. Near steady temperature in the mid 30s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 90 percent.

Tonight 11 Mar Northern Cook

Partly cloudy in the Evening, then clearing. Lows in the upper 20s. Northwest Winds 15 to 20 Mph with Gusts up to 25 Mph, becoming west 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cook County Forest Preserve Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    24.7 °F
  • Average March

    43.9 °F
  • Highest 9 March, 2026

    72 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.4 °F
  • Average 2021–2026

    53.5 °F
  • Average High 2021–2026

    61.8 °F
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