S
M
T
W
T
F
S
26
70°
46°
27
70°
46°
28
59°
45°
29
55°
43°
30
54°
36°
1
52°
36°
2
61°
32°
3
72°
52°
4
75°
46°
5
54°
37°
6
46°
34°
7
61°
37°
8
69°
46°
9
65°
37°
10
60°
35°
11
63°
43°
12
60°
43°
13
62°
44°
14
68°
49°
15
69°
50°
16
72°
54°
17
73°
56°
18
72°
53°
19
73°
53°
20
72°
48°
21
67°
45°
22
65°
44°
23
66°
46°
24
67°
50°
25
68°
53°
26
68°
49°
27
70°
52°
28
73°
49°
29
75°
52°
30
76°
55°
31
77°
56°
1
75°
50°
2
76°
57°
3
80°
59°
4
81°
58°
5
78°
58°
6
71°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fort Atkinson
Fort Atkinson's May 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 35° and 59°. The average high for May is 70° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Fort Atkinson. See also: June | July | August.
