S
M
T
W
T
F
S
26
95°
70°
27
97°
70°
28
84°
64°
29
90°
64°
30
88°
66°
31
73°
63°
1
84°
61°
2
82°
61°
3
86°
61°
4
77°
59°
5
79°
54°
6
81°
52°
7
81°
63°
8
82°
55°
9
84°
63°
10
85°
63°
11
84°
64°
12
86°
64°
13
81°
60°
14
78°
62°
15
75°
59°
16
79°
59°
17
78°
59°
18
81°
61°
19
80°
62°
20
86°
62°
21
83°
61°
22
82°
60°
23
78°
55°
24
78°
61°
25
80°
60°
26
81°
61°
27
81°
59°
28
78°
55°
29
75°
52°
30
71°
52°
31
71°
54°
1
72°
58°
2
74°
58°
3
79°
57°
4
78°
58°
5
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Plum City
Plum City's August 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 52° and 64°. The average high for August is 79° with an average low of 59°. 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 Plum City. See also: September | October | November.
