S
M
T
W
T
F
S
29
44°
28°
30
29°
23°
31
24°
11°
1
33°
14°
2
33°
28°
3
38°
24°
4
48°
30°
5
35°
14°
6
34°
22°
7
45°
30°
8
35°
21°
9
40°
21°
10
48°
28°
11
55°
28°
12
53°
27°
13
43°
24°
14
44°
23°
15
42°
25°
16
45°
26°
17
46°
25°
18
53°
28°
19
49°
30°
20
46°
24°
21
49°
28°
22
52°
29°
23
46°
25°
24
47°
27°
25
54°
34°
26
61°
37°
27
61°
35°
28
63°
38°
29
65°
39°
30
64°
38°
1
64°
40°
2
66°
40°
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 34° to 66°, with overnight lows between 14° and 40°. The average high for April is 50° with an average low of 29°. 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.
