S
M
T
W
T
F
S
26
82°
66°
27
78°
64°
28
78°
62°
29
79°
66°
30
83°
68°
31
85°
67°
1
81°
64°
2
82°
66°
3
86°
60°
4
78°
62°
5
78°
65°
6
79°
60°
7
78°
59°
8
79°
58°
9
78°
58°
10
78°
66°
11
80°
64°
12
79°
62°
13
84°
58°
14
77°
58°
15
79°
60°
16
80°
59°
17
75°
58°
18
76°
58°
19
77°
57°
20
79°
61°
21
81°
65°
22
82°
65°
23
84°
66°
24
84°
66°
25
85°
62°
26
83°
58°
27
79°
62°
28
81°
64°
29
80°
56°
30
78°
55°
31
76°
54°
1
74°
57°
2
73°
55°
3
75°
55°
4
74°
54°
5
73°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Wauwatosa
Wauwatosa's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 54° and 68°. The average high for August is 79° 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 Wauwatosa. See also: September | October | November.
