Monthly Historical AveragesLanark, IL
Average Temperature
High
27°
Feels 28
Low
15°
Feels 15
Average Precipitation
13 Days
135.8mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, June 16, 2026
Day
23°Feels 23
Wind
31 km/h SW
Gust
47 km/h
Humidity
47%
P.O.P
40%
Rain
<1 mm
Night
12°Feels 11
Wind
24 km/h W
Gust
36 km/h
Humidity
82%
P.O.P
30%
Historical AveragesJun 16
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity