S
M
T
W
T
F
S
29
82°
54°
30
82°
61°
31
85°
60°
1
85°
66°
2
80°
67°
3
83°
67°
4
73°
53°
5
70°
45°
6
72°
44°
7
75°
40°
8
79°
45°
9
82°
58°
10
82°
60°
11
83°
65°
12
74°
67°
13
83°
69°
14
84°
68°
15
80°
61°
16
82°
62°
17
83°
64°
18
82°
65°
19
82°
67°
20
83°
65°
21
84°
64°
22
77°
53°
23
79°
60°
24
80°
60°
25
80°
59°
26
79°
60°
27
78°
60°
28
77°
59°
29
81°
62°
30
81°
61°
1
79°
61°
2
76°
58°
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 74° to 84°, with overnight lows between 53° and 69°. The average high for April is 80° with an average low of 62°. 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.
