Cook County Forest Preserve Weather Forecast
- 50
- 70
Chance Rain Showers
- 48
- 80
Mostly Cloudy
- 36
- 55
Chance Rain Showers
- 36
- 52
Partly Sunny
- 49
- 59
Partly Sunny
- 50
- 72
Mostly Sunny
Today 16 Apr Northern Cook
Mostly cloudy. Scattered Showers and a slight chance of Thunderstorms until late afternoon. Highs in the upper 60s. Southwest Winds 10 to 15 Mph, becoming north in the afternoon. Chance of precipitation 40 percent.
Tonight 16 Apr Northern Cook
Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Lows around 50. East Winds 5 to 10 Mph, becoming southeast after midnight.
Cook County Forest Preserve Temperature Statistics
April Temperature
Chicago, Chicago-O'Hare International Airport (2.5 miles)
Lowest 7 April, 2026
28.7 °FAverage April
50.6 °FHighest 12 April, 2026
81.6 °F
Climate (2021–Present)
Chicago, Chicago-O'Hare International Airport (2.5 miles)
Average Low 2021–2026
45.3 °FAverage 2021–2026
53.5 °FAverage High 2021–2026
61.8 °F