S
M
T
W
T
F
S
26
91°
69°
27
84°
72°
28
81°
60°
29
84°
55°
30
89°
55°
31
74°
63°
1
74°
61°
2
79°
58°
3
82°
52°
4
84°
60°
5
77°
65°
6
82°
61°
7
84°
65°
8
80°
59°
9
77°
58°
10
83°
65°
11
82°
67°
12
83°
66°
13
79°
65°
14
81°
66°
15
84°
66°
16
85°
65°
17
80°
59°
18
80°
59°
19
77°
57°
20
78°
52°
21
75°
58°
22
78°
59°
23
74°
52°
24
75°
47°
25
79°
51°
26
81°
63°
27
80°
58°
28
81°
54°
29
73°
57°
30
83°
67°
31
86°
67°
1
88°
67°
2
87°
70°
3
82°
70°
4
86°
68°
5
79°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fort Atkinson
Fort Atkinson's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Fort Atkinson. See also: September | October | November.
