S
M
T
W
T
F
S
29
66°
28°
30
75°
57°
31
77°
61°
1
68°
50°
2
75°
52°
3
77°
52°
4
73°
50°
5
52°
39°
6
59°
36°
7
48°
36°
8
64°
30°
9
73°
48°
10
76°
46°
11
69°
56°
12
85°
62°
13
76°
65°
14
82°
66°
15
78°
58°
16
77°
58°
17
71°
47°
18
69°
46°
19
66°
49°
20
70°
55°
21
72°
59°
22
78°
59°
23
72°
44°
24
71°
52°
25
72°
50°
26
65°
44°
27
62°
42°
28
63°
47°
29
71°
52°
30
71°
54°
1
72°
53°
2
65°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Seymour
Seymour's April 2026 forecast shows daily high temperatures ranging from 62° to 85°, with overnight lows between 42° and 66°. The average high for April is 72° with an average low of 53°. 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 Seymour. See also: May | June | July.