S
M
T
W
T
F
S
29
50°
31°
30
60°
37°
31
68°
44°
1
52°
34°
2
62°
33°
3
71°
41°
4
74°
38°
5
52°
35°
6
43°
33°
7
36°
25°
8
58°
22°
9
65°
47°
10
57°
33°
11
48°
34°
12
66°
59°
13
65°
52°
14
67°
46°
15
61°
47°
16
58°
40°
17
60°
42°
18
61°
43°
19
60°
45°
20
61°
46°
21
59°
43°
22
57°
34°
23
52°
35°
24
52°
42°
25
53°
42°
26
57°
40°
27
52°
38°
28
55°
36°
29
57°
42°
30
62°
45°
1
62°
44°
2
61°
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 48° to 67°, with overnight lows between 33° and 59°. The average high for April is 59° with an average low of 42°. 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.
