S
M
T
W
T
F
S
28
83°
69°
29
85°
70°
30
86°
70°
1
82°
67°
2
85°
69°
3
83°
74°
4
83°
69°
5
84°
70°
6
82°
62°
7
83°
63°
8
83°
64°
9
82°
64°
10
83°
69°
11
87°
70°
12
86°
70°
13
85°
69°
14
85°
69°
15
83°
68°
16
83°
65°
17
84°
66°
18
84°
65°
19
85°
70°
20
88°
67°
21
83°
64°
22
83°
64°
23
84°
65°
24
84°
67°
25
86°
70°
26
87°
70°
27
83°
69°
28
83°
68°
29
84°
70°
30
86°
71°
31
88°
71°
1
86°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Plainville
Plainville's July 2026 forecast shows daily high temperatures ranging from 82° to 88°, with overnight lows between 62° and 74°. The average high for July is 84° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Plainville. See also: August | September | October.