Monthly Historical AveragesDeer Park, IL
Average Temperature
High
21°
Feels 20
Low
9°
Feels 8
Average Precipitation
12 Days
94.4mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, May 24, 2026
Day
25°Feels 25
Wind
13 km/h N
Gust
20 km/h
Humidity
39%
P.O.P
90%
Rain
1-3 mm
Night
12°Feels 11
Wind
8 km/h S
Gust
12 km/h
Humidity
94%
P.O.P
0%
Historical AveragesMay 24
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity