Monthly Historical AveragesPlano, IL
Average Temperature
High
2°
Feels -2
Low
-6°
Feels -11
Average Precipitation
7 Days
27mm
10.7cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, December 30, 2025
Day
-4°Feels -11
Wind
25 km/h W
Gust
38 km/h
Humidity
62%
P.O.P
40%
Snow
<1 cm
Night
-5°Feels -12
Wind
26 km/h NW
Gust
39 km/h
Humidity
86%
P.O.P
60%
Snow
~1 cm
Historical AveragesDec 30
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity