S
M
T
W
T
F
S
26
79°
58°
27
78°
59°
28
78°
58°
29
79°
57°
30
79°
57°
31
80°
59°
1
80°
61°
2
81°
64°
3
80°
62°
4
80°
59°
5
82°
59°
6
86°
64°
7
86°
66°
8
87°
67°
9
85°
66°
10
86°
59°
11
81°
60°
12
79°
59°
13
81°
58°
14
81°
61°
15
82°
64°
16
Hist. Avg.
80°
64°
17
Hist. Avg.
80°
64°
18
Hist. Avg.
80°
64°
19
Hist. Avg.
80°
64°
20
Hist. Avg.
80°
64°
21
Hist. Avg.
80°
64°
22
Hist. Avg.
80°
64°
23
Hist. Avg.
80°
64°
24
Hist. Avg.
80°
63°
25
Hist. Avg.
79°
63°
26
Hist. Avg.
79°
63°
27
Hist. Avg.
79°
63°
28
Hist. Avg.
79°
63°
29
Hist. Avg.
79°
62°
30
Hist. Avg.
78°
62°
31
Hist. Avg.
78°
62°
1
Hist. Avg.
78°
62°
2
Hist. Avg.
78°
61°
3
Hist. Avg.
78°
61°
4
Hist. Avg.
77°
61°
5
Hist. Avg.
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Milwaukee
Milwaukee's August 2026 forecast shows daily high temperatures ranging from 78° to 87°, with overnight lows between 57° and 67°. The average high for August is 81° with an average low of 61°. 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 Milwaukee. See also: September | October | November.
