S
M
T
W
T
F
S
29
63°
39°
30
77°
43°
31
70°
36°
1
36°
32°
2
64°
32°
3
46°
34°
4
46°
36°
5
52°
34°
6
46°
30°
7
36°
23°
8
68°
32°
9
64°
41°
10
52°
34°
11
52°
32°
12
73°
50°
13
N/A
14
73°
58°
15
69°
54°
16
66°
46°
17
71°
56°
18
61°
30°
19
45°
30°
20
55°
41°
21
60°
44°
22
64°
44°
23
59°
42°
24
58°
38°
25
59°
39°
26
60°
35°
27
55°
41°
28
54°
39°
29
60°
35°
30
54°
35°
1
57°
38°
2
54°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Waukesha
Waukesha's April 2026 forecast shows daily high temperatures ranging from 45° to 73°, with overnight lows between 30° and 58°. The average high for April is 60° with an average low of 41°. 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 Waukesha. See also: May | June | July.
