Old School Forest Preserve Weather Forecast
- 59
- 83
Chance Rain Showers
- 67
- 82
Chance Rain Showers
- 66
- 85
Rain Showers Likely
- 51
- 83
Rain Showers Likely
- 44
- 63
Partly Sunny
- 47
- 61
Mostly Cloudy
Today 16 May Lake
Mostly cloudy in the Morning, then becoming partly cloudy. A slight chance of Showers early in the morning. A slight chance of Showers and Thunderstorms late. Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of precipitation 20 percent.
Tonight 16 May Lake
Mostly cloudy. A slight chance of Showers in the evening. A slight chance of Thunderstorms. A chance of Showers after midnight. Lows in the upper 50s. Southeast Winds 5 to 10 Mph. Chance of precipitation 40 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
51.7 °FHighest 4 May, 2026
81.6 °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