Monthly
     

Monthly Historical AveragesMount Prospect, IL

Average Temperature
High
2°
Feels -1
Low
-5°
Feels -10
Average Precipitation
10 Days
Rain amount
35.9mm
Snow amount
18.4cm
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Daily Historical Averages

S
M
T
W
T
F
S
ForecastWednesday, December 31, 2025
Day
Light snow
0°Feels -6
Wind
28 km/h W
Gust
42 km/h
Humidity
80%
P.O.P
70%
Snow
1-3 cm
Night
Flurries
-14°Feels -22
Wind
29 km/h N
Gust
44 km/h
Humidity
85%
P.O.P
60%
Snow
<1 cm
Historical AveragesDec 31
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
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