S
M
T
W
T
F
S
29
45°
17°
30
51°
35°
31
38°
27°
1
33°
19°
2
33°
24°
3
35°
32°
4
33°
32°
5
34°
25°
6
37°
18°
7
33°
15°
8
42°
20°
9
43°
32°
10
37°
23°
11
45°
22°
12
50°
34°
13
52°
39°
14
51°
38°
15
57°
37°
16
62°
37°
17
69°
35°
18
59°
30°
19
32°
24°
20
39°
35°
21
44°
31°
22
45°
36°
23
50°
42°
24
49°
36°
25
46°
36°
26
48°
38°
27
48°
40°
28
43°
38°
29
42°
36°
30
44°
37°
1
45°
37°
2
44°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Vermilion
Vermilion's April 2026 forecast shows daily high temperatures ranging from 39° to 50°, with overnight lows between 31° and 42°. The average high for April is 45° with an average low of 37°. 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 Vermilion. See also: May | June | July.