S
M
T
W
T
F
S
26
82°
60°
27
82°
62°
28
80°
60°
29
77°
57°
30
77°
60°
31
81°
62°
1
80°
63°
2
80°
63°
3
82°
62°
4
80°
59°
5
77°
61°
6
77°
62°
7
85°
62°
8
77°
61°
9
82°
62°
10
78°
58°
11
80°
61°
12
80°
62°
13
82°
58°
14
76°
54°
15
76°
55°
16
80°
61°
17
76°
58°
18
80°
58°
19
83°
60°
20
83°
59°
21
76°
53°
22
75°
53°
23
81°
61°
24
80°
59°
25
84°
59°
26
83°
52°
27
77°
50°
28
73°
49°
29
74°
50°
30
75°
53°
31
79°
58°
1
76°
54°
2
81°
49°
3
73°
48°
4
70°
48°
5
70°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Wisconsin Dells
Wisconsin Dells's August 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 48° and 63°. The average high for August is 79° with an average low of 57°. 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 Wisconsin Dells. See also: September | October | November.
