S
M
T
W
T
F
S
26
58°
40°
27
58°
41°
28
60°
42°
29
60°
40°
30
59°
39°
1
59°
43°
2
61°
41°
3
60°
42°
4
62°
47°
5
69°
46°
6
66°
43°
7
62°
44°
8
68°
50°
9
72°
51°
10
72°
47°
11
64°
44°
12
63°
46°
13
64°
48°
14
63°
48°
15
62°
47°
16
64°
50°
17
66°
49°
18
73°
43°
19
67°
48°
20
70°
47°
21
69°
44°
22
68°
43°
23
67°
44°
24
67°
44°
25
71°
45°
26
69°
47°
27
69°
48°
28
70°
46°
29
70°
49°
30
71°
53°
31
71°
49°
1
72°
55°
2
72°
53°
3
73°
52°
4
73°
56°
5
79°
55°
6
76°
51°
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 58° to 79°, with overnight lows between 39° and 56°. The average high for May is 67° with an average low of 47°. 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.
