S
M
T
W
T
F
S
29
56°
21°
30
71°
41°
31
79°
58°
1
76°
51°
2
52°
42°
3
62°
41°
4
75°
46°
5
56°
43°
6
53°
36°
7
50°
31°
8
54°
27°
9
59°
33°
10
69°
46°
11
62°
33°
12
63°
45°
13
76°
55°
14
83°
60°
15
81°
57°
16
74°
50°
17
69°
41°
18
64°
46°
19
64°
45°
20
65°
46°
21
70°
38°
22
67°
38°
23
57°
35°
24
58°
43°
25
58°
43°
26
57°
40°
27
58°
38°
28
59°
40°
29
59°
37°
30
60°
36°
1
61°
46°
2
70°
46°
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 54° to 83°, with overnight lows between 27° and 60°. The average high for April is 65° 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.
