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.
Cook County Forest Preserve Temperature Statistics
March Temperature
Chicago, Chicago-O'Hare International Airport (2.5 miles)
Lowest 1 March, 2026
24.7 °FAverage March
43.9 °FHighest 9 March, 2026
72 °F
Climate (2021–Present)
Chicago, Chicago-O'Hare International Airport (2.5 miles)
Average Low 2021–2026
45.4 °FAverage 2021–2026
53.5 °FAverage High 2021–2026
61.8 °F