Monthly Historical AveragesDeer Park, IL
Average Temperature
High
17°
Feels 16
Low
5°
Feels 2
Average Precipitation
10 Days
69mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, April 1, 2026
Day
7°Feels 3
Wind
27 km/h E
Gust
41 km/h
Humidity
70%
P.O.P
60%
Rain
1-3 mm
Night
6°Feels 1
Wind
29 km/h E
Gust
44 km/h
Humidity
100%
P.O.P
90%
Rain
20-25 mm
Historical AveragesApr 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity