S
M
T
W
T
F
S
26
62°
40°
27
73°
39°
28
60°
42°
29
59°
49°
30
56°
43°
1
60°
38°
2
53°
41°
3
59°
37°
4
72°
41°
5
81°
58°
6
68°
46°
7
60°
41°
8
53°
36°
9
58°
46°
10
65°
46°
11
61°
39°
12
64°
32°
13
67°
50°
14
58°
45°
15
67°
45°
16
79°
59°
17
81°
57°
18
87°
62°
19
90°
61°
20
80°
55°
21
68°
45°
22
66°
46°
23
69°
47°
24
74°
51°
25
75°
53°
26
78°
58°
27
79°
49°
28
70°
48°
29
69°
51°
30
69°
54°
31
75°
51°
1
70°
49°
2
70°
47°
3
69°
47°
4
70°
48°
5
72°
56°
6
78°
57°
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 58° to 90°, with overnight lows between 45° and 62°. The average high for May is 73° with an average low of 52°. 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.
