S
M
T
W
T
F
S
29
63°
34°
30
78°
35°
31
69°
39°
1
41°
32°
2
57°
32°
3
45°
35°
4
46°
36°
5
52°
33°
6
47°
28°
7
41°
20°
8
68°
30°
9
61°
41°
10
53°
34°
11
54°
29°
12
72°
57°
13
74°
61°
14
79°
56°
15
66°
56°
16
69°
46°
17
78°
53°
18
61°
30°
19
43°
31°
20
56°
37°
21
63°
47°
22
63°
45°
23
61°
42°
24
60°
37°
25
62°
39°
26
60°
40°
27
56°
41°
28
55°
39°
29
60°
35°
30
54°
35°
1
58°
38°
2
55°
40°
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 43° to 79°, with overnight lows between 30° and 61°. The average high for April is 62° with an average low of 42°. 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.
