S
M
T
W
T
F
S
26
85°
73°
27
86°
69°
28
75°
64°
29
79°
62°
30
88°
61°
31
76°
65°
1
68°
66°
2
74°
64°
3
77°
61°
4
85°
64°
5
76°
67°
6
76°
62°
7
83°
67°
8
81°
65°
9
80°
68°
10
81°
62°
11
78°
63°
12
80°
62°
13
77°
59°
14
75°
60°
15
80°
62°
16
79°
66°
17
82°
65°
18
82°
62°
19
87°
67°
20
83°
67°
21
85°
66°
22
86°
67°
23
86°
67°
24
84°
66°
25
83°
67°
26
85°
66°
27
82°
63°
28
80°
65°
29
83°
64°
30
84°
65°
31
84°
65°
1
83°
64°
2
80°
64°
3
82°
63°
4
82°
64°
5
83°
64°
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 59° and 68°. The average high for August is 82° with an average low of 65°. 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.
