Monthly Historical AveragesChesterfield, IL
Average Temperature
High
18°
Feels 18
Low
7°
Feels 4
Average Precipitation
10 Days
119mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
26°Feels 26
Wind
29 km/h S
Gust
43 km/h
Humidity
49%
P.O.P
40%
Rain
<1 mm
Night
17°Feels 16
Wind
27 km/h SW
Gust
41 km/h
Humidity
96%
P.O.P
100%
Rain
~10 mm
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity