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Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
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°Celsius
°Fahrenheit
Monthly Historical Averages
Mount Vernon, IL
Content continues below
March
Average Temperature
High
14°
Feels 13
Low
3°
Feels 1
Average Precipitation
10 Days
Rain amount
78.1mm
Snow amount
3cm
Content continues below
Daily Historical Averages
March 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
20°
8
17°
9
23°
10
24°
11
18°
12
14°
13
20°
14
15°
15
21°
16
8°
17
17°
18
13°
19
17°
20
16°
21
17°
22
23
24
25
26
27
28
29
30
31
Forecast
Saturday, March 7, 2026
Day
20°
Feels 20
Wind
25 km/h S
Gust
37 km/h
Humidity
68%
P.O.P
100%
Rain
25-30 mm
Night
3°
Feels 2
Wind
16 km/h NW
Gust
24 km/h
Humidity
88%
P.O.P
30%
Historical Averages
Mar 7
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.