Cook County Forest Preserve Weather Forecast

    • 35
    • 38

    Increasing Clouds

    • 26
    • 42

    Mostly Cloudy

    • 25
    • 37

    Partly Sunny

    • 26
    • 36

    Chance Snow

    • 27
    • 38

    Slight Chance Rain/Snow

    • 28
    • 39

    Chance Rain

Today 9 Feb Northern Cook

Mostly cloudy. Highs in the upper 30s. South Winds 5 to 10 Mph.

Tonight 9 Feb Northern Cook

Mostly cloudy. Near steady temperature in the mid 30s. South Winds around 10 Mph, becoming southwest after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cook County Forest Preserve Temperature Statistics

February Temperature

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

  • Lowest 1 February, 2026

    7.6 °F

  • Average February

    23.5 °F

  • Highest 6 February, 2026

    37.9 °F

Climate (2021–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    61.6 °F
Get WillyWeather+ to remove ads