S
M
T
W
T
F
S
29
68°
37°
30
79°
43°
31
68°
45°
1
48°
34°
2
41°
32°
3
41°
36°
4
41°
34°
5
54°
32°
6
43°
30°
7
43°
23°
8
70°
37°
9
54°
34°
10
52°
37°
11
54°
36°
12
75°
48°
13
75°
59°
14
79°
55°
15
68°
55°
16
73°
50°
17
77°
41°
18
45°
32°
19
46°
32°
20
57°
27°
21
81°
46°
22
81°
50°
23
79°
57°
24
63°
46°
25
68°
41°
26
70°
46°
27
70°
46°
28
59°
40°
29
56°
34°
30
49°
35°
1
50°
32°
2
59°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Fort Atkinson
Fort Atkinson's April 2026 forecast shows daily high temperatures ranging from 49° to 59°, with overnight lows between 32° and 41°. The average high for April is 55° 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 Fort Atkinson. See also: May | June | July.
