Monthly Historical AveragesChatham, IL
Average Temperature
High
23°
Feels 24
Low
13°
Feels 12
Average Precipitation
13 Days
102.1mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, May 30, 2026
Day
27°Feels 28
Wind
15 km/h E
Gust
22 km/h
Humidity
48%
P.O.P
30%
Night
16°Feels 15
Wind
18 km/h E
Gust
27 km/h
Humidity
78%
P.O.P
30%
Historical AveragesMay 30
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity