Old School Forest Preserve Weather Forecast
- 39
- 40
Dense Fog
- 56
- 65
Rain Showers
- 36
- 59
Partly Sunny
- 45
- 59
Mostly Sunny
- 46
- 67
Mostly Sunny
- 40
- 63
Rain Showers
Today 5 Mar Lake
Cloudy. Scattered Showers early in the morning. Isolated Showers in the late morning and early afternoon. Areas of fog until late afternoon. Patchy fog late. Highs in the lower 40s. Northeast Winds 5 to 10 Mph. Chance of precipitation 30 percent.
Tonight 5 Mar Lake
Cloudy. Patchy fog. Isolated Showers late. Near steady temperature in the lower 40s. East Winds around 5 Mph. Chance of precipitation 20 percent.
Old School Forest Preserve Temperature Statistics
March Temperature
Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)
Lowest 2 March, 2026
23 °FAverage March
29.4 °FHighest 2 March, 2026
39.9 °F
Climate (2021–Present)
Chicago / Wheeling, Pal-Waukee Airport (9.9 miles)
Average Low 2021–2026
44.1 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
61.6 °F