S
M
T
W
T
F
S
29
68°
35°
30
42°
37°
31
53°
37°
1
50°
34°
2
43°
31°
3
56°
28°
4
67°
34°
5
70°
40°
6
74°
41°
7
68°
41°
8
66°
35°
9
70°
36°
10
58°
43°
11
62°
43°
12
50°
39°
13
55°
38°
14
62°
43°
15
47°
28°
16
45°
25°
17
52°
26°
18
60°
37°
19
62°
39°
20
57°
35°
21
56°
36°
22
54°
35°
23
55°
35°
24
61°
33°
25
53°
28°
26
54°
30°
27
55°
35°
28
57°
36°
29
58°
39°
30
56°
39°
1
57°
38°
2
55°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Mount Vernon
Mount Vernon's April 2026 forecast shows daily high temperatures ranging from 45° to 62°, with overnight lows between 25° and 43°. The average high for April is 56° with an average low of 35°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Mount Vernon. See also: May | June | July.
