Monthly Historical AveragesLake Forest, IL
Average Temperature
High
24°
Feels 24
Low
15°
Feels 14
Average Precipitation
12 Days
111.4mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, June 10, 2026
Day
32°Feels 35
Wind
32 km/h SW
Gust
48 km/h
Humidity
52%
P.O.P
60%
Rain
~1 mm
Night
19°Feels 20
Wind
28 km/h SW
Gust
42 km/h
Humidity
100%
P.O.P
70%
Rain
5-10 mm
Historical AveragesJun 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity