S
M
T
W
T
F
S
26
85°
65°
27
85°
65°
28
84°
64°
29
84°
64°
30
82°
61°
31
77°
58°
1
78°
63°
2
76°
63°
3
77°
62°
4
83°
63°
5
83°
64°
6
82°
62°
7
77°
59°
8
76°
61°
9
76°
62°
10
78°
62°
11
80°
62°
12
82°
63°
13
83°
64°
14
84°
63°
15
83°
62°
16
85°
56°
17
83°
54°
18
76°
52°
19
74°
52°
20
74°
53°
21
76°
52°
22
76°
53°
23
75°
53°
24
76°
55°
25
79°
60°
26
81°
53°
27
76°
53°
28
74°
52°
29
76°
57°
30
79°
60°
31
80°
51°
1
76°
51°
2
72°
50°
3
73°
55°
4
76°
59°
5
80°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Pewaukee West
Pewaukee West's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 50° and 65°. 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 West. See also: September | October | November.