S
M
T
W
T
F
S
26
83°
66°
27
79°
64°
28
79°
62°
29
80°
65°
30
85°
68°
31
86°
67°
1
82°
64°
2
83°
66°
3
87°
60°
4
80°
62°
5
80°
65°
6
81°
60°
7
80°
59°
8
81°
58°
9
80°
58°
10
80°
66°
11
81°
64°
12
80°
62°
13
85°
58°
14
79°
58°
15
80°
60°
16
81°
59°
17
77°
59°
18
78°
58°
19
79°
58°
20
81°
62°
21
83°
65°
22
84°
66°
23
85°
67°
24
86°
67°
25
87°
63°
26
85°
59°
27
81°
63°
28
83°
65°
29
82°
57°
30
80°
56°
31
78°
55°
1
76°
58°
2
75°
56°
3
77°
56°
4
76°
57°
5
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Milwaukee
Milwaukee's August 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 55° and 68°. 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.
