S
M
T
W
T
F
S
26
83°
63°
27
77°
58°
28
79°
62°
29
80°
61°
30
78°
57°
31
80°
61°
1
79°
58°
2
80°
55°
3
79°
56°
4
77°
54°
5
78°
55°
6
78°
56°
7
80°
56°
8
81°
57°
9
82°
58°
10
78°
61°
11
81°
63°
12
84°
64°
13
83°
64°
14
84°
58°
15
83°
55°
16
79°
57°
17
78°
60°
18
76°
56°
19
76°
54°
20
75°
55°
21
76°
61°
22
80°
60°
23
82°
61°
24
83°
62°
25
82°
54°
26
82°
53°
27
75°
54°
28
75°
54°
29
76°
60°
30
79°
61°
31
82°
61°
1
81°
54°
2
78°
53°
3
80°
57°
4
76°
59°
5
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Pewaukee
Pewaukee's August 2026 forecast shows daily high temperatures ranging from 75° to 84°, with overnight lows between 53° and 64°. The average high for August is 79° with an average low of 58°. 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 Pewaukee. See also: September | October | November.
