S
M
T
W
T
F
S
29
63°
39°
30
86°
48°
31
69°
51°
1
51°
37°
2
68°
37°
3
52°
35°
4
48°
36°
5
55°
32°
6
49°
32°
7
42°
29°
8
74°
39°
9
59°
41°
10
54°
41°
11
54°
34°
12
75°
54°
13
78°
58°
14
84°
61°
15
73°
55°
16
75°
56°
17
78°
34°
18
51°
33°
19
56°
33°
20
65°
47°
21
77°
49°
22
77°
54°
23
78°
57°
24
70°
47°
25
60°
43°
26
62°
38°
27
60°
42°
28
63°
44°
29
66°
42°
30
61°
43°
1
62°
41°
2
61°
44°
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 51° to 78°, with overnight lows between 33° and 57°. The average high for April is 66° with an average low of 44°. 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.
