Monthly Historical AveragesMcLean, IL
Average Temperature
High
18°
Feels 17
Low
6°
Feels 3
Average Precipitation
9 Days
67.7mm
0.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
26°Feels 26
Wind
37 km/h SW
Gust
56 km/h
Humidity
44%
P.O.P
30%
Night
16°Feels 15
Wind
32 km/h S
Gust
48 km/h
Humidity
94%
P.O.P
100%
Rain
10-15 mm
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity