S
M
T
W
T
F
S
29
66°
34°
30
70°
37°
31
41°
32°
1
44°
31°
2
33°
25°
3
37°
28°
4
34°
24°
5
49°
29°
6
41°
23°
7
44°
35°
8
61°
44°
9
55°
30°
10
48°
34°
11
49°
31°
12
56°
39°
13
59°
40°
14
56°
33°
15
58°
35°
16
46°
32°
17
54°
37°
18
59°
42°
19
64°
44°
20
65°
44°
21
64°
45°
22
66°
43°
23
63°
43°
24
55°
35°
25
50°
32°
26
49°
32°
27
52°
33°
28
54°
40°
29
54°
34°
30
61°
39°
1
64°
45°
2
66°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Willmar
Willmar's April 2026 forecast shows daily high temperatures ranging from 33° to 66°, with overnight lows between 23° and 47°. The average high for April is 53° with an average low of 36°. 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 Willmar. See also: May | June | July.
