Monthly Historical AveragesLyndon, IL
Average Temperature
High
-1°
Feels -4
Low
-9°
Feels -15
Average Precipitation
5 Days
13.1mm
15.3cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, February 22, 2026
Day
-5°Feels -14
Wind
39 km/h NW
Gust
59 km/h
Humidity
53%
P.O.P
30%
Night
-11°Feels -20
Wind
33 km/h NW
Gust
50 km/h
Humidity
78%
P.O.P
30%
Historical AveragesFeb 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity