S
M
T
W
T
F
S
26
80°
61°
27
85°
65°
28
85°
65°
29
80°
64°
30
85°
61°
31
80°
58°
1
79°
58°
2
80°
60°
3
80°
61°
4
84°
65°
5
86°
64°
6
84°
61°
7
83°
63°
8
86°
64°
9
86°
64°
10
85°
57°
11
80°
56°
12
81°
59°
13
80°
57°
14
82°
57°
15
80°
60°
16
79°
62°
17
78°
62°
18
79°
57°
19
79°
56°
20
80°
56°
21
79°
57°
22
83°
62°
23
80°
61°
24
84°
62°
25
84°
54°
26
83°
53°
27
77°
54°
28
77°
55°
29
76°
58°
30
77°
59°
31
76°
60°
1
82°
55°
2
76°
56°
3
77°
55°
4
76°
53°
5
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Plainville
Plainville's August 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 53° and 65°. The average high for August is 81° 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 Plainville. See also: September | October | November.
