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Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
Temperature Unit Selection
°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
8
16°
9
23°
10
26°
11
19°
12
13°
13
18°
14
17°
15
25°
16
7°
17
7°
18
12°
19
11°
20
17°
21
17°
22
19°
23
24
25
26
27
28
29
30
31
Forecast
Sunday, March 8, 2026
Day
16°
Feels 15
Wind
14 km/h SW
Gust
20 km/h
Humidity
43%
P.O.P
0%
Night
7°
Feels 5
Wind
14 km/h S
Gust
21 km/h
Humidity
87%
P.O.P
0%
Historical Averages
Mar 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.