Monthly Historical AveragesMarkham, IL
Average Temperature
High
15°
Feels 14
Low
5°
Feels 2
Average Precipitation
10 Days
62.4mm
0.6cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, April 1, 2026
Day
6°Feels 2
Wind
24 km/h NE
Gust
36 km/h
Humidity
81%
P.O.P
60%
Rain
1-3 mm
Night
5°Feels 1
Wind
23 km/h E
Gust
35 km/h
Humidity
93%
P.O.P
90%
Rain
~10 mm
Historical AveragesApr 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity