S
M
T
W
T
F
S
26
77°
55°
27
78°
57°
28
78°
60°
29
79°
62°
30
82°
62°
31
83°
64°
1
85°
64°
2
85°
63°
3
86°
65°
4
85°
59°
5
84°
57°
6
77°
56°
7
76°
55°
8
77°
55°
9
78°
56°
10
81°
55°
11
81°
59°
12
82°
62°
13
82°
63°
14
82°
62°
15
80°
63°
16
85°
57°
17
81°
60°
18
77°
55°
19
77°
56°
20
80°
61°
21
80°
62°
22
76°
61°
23
78°
58°
24
76°
56°
25
80°
61°
26
81°
55°
27
75°
54°
28
77°
60°
29
74°
61°
30
80°
60°
31
81°
60°
1
80°
59°
2
79°
58°
3
80°
57°
4
77°
57°
5
80°
58°
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 74° to 86°, with overnight lows between 54° and 65°. The average high for August is 80° 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.
