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°
34°
9
64°
39°
10
67°
47°
11
58°
44°
12
55°
45°
13
56°
46°
14
55°
45°
15
53°
42°
16
54°
41°
17
59°
43°
18
56°
44°
19
57°
43°
20
60°
41°
21
59°
42°
22
55°
40°
23
56°
38°
24
54°
38°
25
54°
39°
26
57°
39°
27
61°
40°
28
61°
40°
29
56°
41°
30
56°
44°
1
57°
40°
2
57°
45°
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 67°, with overnight lows between 34° and 47°. The average high for April is 57° 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.
