S
M
T
W
T
F
S
26
51°
35°
27
62°
40°
28
49°
38°
29
44°
31°
30
40°
30°
1
44°
26°
2
58°
23°
3
63°
47°
4
59°
38°
5
39°
32°
6
41°
32°
7
49°
27°
8
62°
24°
9
48°
31°
10
45°
29°
11
51°
24°
12
65°
36°
13
60°
35°
14
71°
30°
15
82°
53°
16
74°
37°
17
63°
35°
18
67°
45°
19
50°
36°
20
52°
32°
21
62°
32°
22
70°
47°
23
67°
47°
24
75°
47°
25
84°
49°
26
80°
54°
27
73°
43°
28
71°
39°
29
84°
42°
30
81°
53°
31
78°
45°
1
79°
49°
2
79°
51°
3
84°
61°
4
74°
59°
5
72°
54°
6
71°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Plymouth
Plymouth's May 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 45° and 61°. The average high for May is 77° with an average low of 53°. 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 Plymouth. See also: June | July | August.
