S
M
T
W
T
F
S
26
81°
60°
27
80°
58°
28
71°
58°
29
82°
62°
30
70°
58°
1
68°
51°
2
69°
51°
3
71°
40°
4
79°
41°
5
80°
46°
6
80°
64°
7
70°
54°
8
72°
48°
9
76°
53°
10
82°
55°
11
78°
56°
12
75°
56°
13
81°
51°
14
75°
51°
15
79°
42°
16
84°
50°
17
91°
57°
18
89°
64°
19
90°
63°
20
88°
62°
21
83°
68°
22
81°
67°
23
84°
69°
24
80°
69°
25
81°
71°
26
83°
69°
27
83°
68°
28
87°
68°
29
85°
69°
30
79°
65°
31
75°
64°
1
81°
63°
2
83°
61°
3
82°
62°
4
80°
63°
5
78°
64°
6
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Plainville
Plainville's May 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 61° and 69°. The average high for May is 81° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Plainville. See also: June | July | August.
