Monthly Historical AveragesLake Forest, IL
Average Temperature
High
-1°
Feels -4
Low
-8°
Feels -14
Average Precipitation
7 Days
14.2mm
24.2cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, February 22, 2026
Day
-2°Feels -9
Wind
32 km/h NW
Gust
48 km/h
Humidity
54%
P.O.P
40%
Night
-9°Feels -18
Wind
32 km/h NW
Gust
48 km/h
Humidity
79%
P.O.P
40%
Historical AveragesFeb 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity