S
M
T
W
T
F
S
29
62°
30°
30
70°
55°
31
78°
60°
1
68°
49°
2
79°
51°
3
76°
62°
4
82°
60°
5
69°
41°
6
54°
35°
7
42°
27°
8
59°
26°
9
74°
41°
10
77°
51°
11
60°
38°
12
79°
61°
13
72°
60°
14
83°
63°
15
82°
62°
16
80°
61°
17
80°
60°
18
82°
55°
19
67°
46°
20
64°
45°
21
71°
50°
22
74°
55°
23
72°
56°
24
70°
42°
25
58°
36°
26
60°
38°
27
58°
38°
28
60°
41°
29
61°
38°
30
61°
38°
1
62°
39°
2
60°
40°
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 58° to 83°, with overnight lows between 36° and 63°. The average high for April is 69° with an average low of 48°. 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.
