S
M
T
W
T
F
S
26
78°
62°
27
80°
62°
28
81°
61°
29
77°
60°
30
76°
60°
31
77°
60°
1
77°
61°
2
76°
64°
3
80°
65°
4
81°
64°
5
77°
64°
6
77°
61°
7
76°
59°
8
76°
59°
9
77°
60°
10
75°
57°
11
75°
58°
12
76°
64°
13
82°
66°
14
84°
65°
15
82°
64°
16
78°
64°
17
81°
65°
18
79°
64°
19
76°
60°
20
75°
61°
21
75°
63°
22
76°
60°
23
74°
61°
24
75°
58°
25
76°
63°
26
79°
64°
27
76°
64°
28
80°
53°
29
77°
55°
30
77°
53°
31
80°
55°
1
82°
58°
2
81°
61°
3
82°
60°
4
79°
52°
5
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Platteville
Platteville's August 2026 forecast shows daily high temperatures ranging from 74° to 84°, with overnight lows between 52° and 66°. The average high for August is 78° 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 Platteville. See also: September | October | November.
