S
M
T
W
T
F
S
29
46°
34°
30
50°
31°
31
58°
34°
1
50°
43°
2
52°
42°
3
58°
43°
4
61°
36°
5
64°
39°
6
69°
40°
7
56°
38°
8
59°
31°
9
63°
32°
10
66°
37°
11
54°
44°
12
57°
47°
13
54°
45°
14
49°
42°
15
52°
36°
16
55°
40°
17
56°
38°
18
69°
47°
19
66°
46°
20
69°
49°
21
60°
48°
22
58°
42°
23
61°
40°
24
63°
43°
25
62°
47°
26
61°
46°
27
59°
45°
28
62°
44°
29
61°
43°
30
55°
40°
1
55°
40°
2
56°
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 55° to 69°, with overnight lows between 38° and 49°. The average high for April is 60° 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.
