Old School Forest Preserve Weather Forecast
- 69
- 84
Rain Showers
- 67
- 79
Rain Showers Likely
- 47
- 80
Rain Showers Likely
- 42
- 57
Partly Sunny
- 47
- 59
Partly Sunny
- 51
- 65
Mostly Cloudy
- 55
- 69
Mostly Cloudy
Today 17 May Lake
Mostly cloudy. Temperatures in the mid 80s, except in the 60s at the far northeast lakeshore. A slight chance of Showers. Breezy. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 20 percent.
Tonight 17 May Lake
Partly cloudy. A chance of Showers late. Breezy. Lows in the upper 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 30 percent.
Old School Forest Preserve Temperature Statistics
May Temperature
Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)
Lowest 2 May, 2026
30.7 °FAverage May
52.4 °FHighest 4 May, 2026
81.6 °F
Climate (2021–Present)
Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
61.6 °F