S
M
T
W
T
F
S
29
66°
39°
30
81°
46°
31
73°
42°
1
46°
34°
2
52°
34°
3
45°
36°
4
44°
36°
5
52°
34°
6
50°
29°
7
44°
22°
8
72°
34°
9
61°
41°
10
55°
34°
11
58°
50°
12
69°
59°
13
80°
62°
14
75°
54°
15
69°
46°
16
71°
41°
17
57°
35°
18
53°
35°
19
63°
45°
20
64°
44°
21
63°
43°
22
60°
37°
23
54°
42°
24
55°
43°
25
54°
39°
26
55°
33°
27
55°
37°
28
58°
45°
29
66°
47°
30
68°
46°
1
60°
44°
2
57°
41°
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 53° to 80°, with overnight lows between 33° and 62°. The average high for April is 62° with an average low of 43°. 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.
