S
M
T
W
T
F
S
29
70°
39°
30
86°
55°
31
79°
48°
1
48°
43°
2
72°
45°
3
72°
45°
4
46°
39°
5
59°
34°
6
52°
37°
7
45°
32°
8
73°
41°
9
63°
43°
10
60°
45°
11
68°
62°
12
70°
61°
13
83°
66°
14
82°
58°
15
72°
54°
16
74°
46°
17
62°
43°
18
59°
42°
19
70°
52°
20
69°
48°
21
66°
49°
22
64°
42°
23
58°
47°
24
67°
46°
25
63°
44°
26
60°
42°
27
59°
47°
28
65°
49°
29
69°
51°
30
71°
48°
1
65°
45°
2
61°
46°
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 58° to 83°, with overnight lows between 42° and 66°. The average high for April is 67° with an average low of 49°. 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.