Monthly Historical AveragesMount Vernon, IL
Average Temperature
High
14°
Feels 13
Low
3°
Feels 1
Average Precipitation
10 Days
81.6mm
3cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, March 1, 2026
Day
9°Feels 6
Wind
20 km/h NE
Gust
30 km/h
Humidity
48%
P.O.P
30%
Night
0°Feels -5
Wind
22 km/h NE
Gust
33 km/h
Humidity
93%
P.O.P
100%
Snow
~1 cm
Rain
~5 mm
Historical AveragesMar 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity