S
M
T
W
T
F
S
29
61°
37°
30
77°
41°
31
66°
36°
1
36°
32°
2
61°
32°
3
57°
34°
4
46°
34°
5
50°
32°
6
45°
28°
7
34°
21°
8
68°
32°
9
65°
40°
10
54°
33°
11
51°
44°
12
73°
61°
13
77°
61°
14
79°
58°
15
73°
51°
16
69°
45°
17
61°
38°
18
49°
37°
19
60°
45°
20
64°
45°
21
61°
44°
22
60°
39°
23
54°
43°
24
55°
45°
25
62°
42°
26
55°
36°
27
55°
38°
28
57°
46°
29
65°
48°
30
67°
48°
1
66°
45°
2
58°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in West Allis
West Allis's April 2026 forecast shows daily high temperatures ranging from 49° to 79°, with overnight lows between 33° and 61°. The average high for April is 62° with an average low of 45°. 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 West Allis. See also: May | June | July.
