S
M
T
W
T
F
S
26
81°
59°
27
79°
57°
28
63°
57°
29
81°
63°
30
72°
57°
1
64°
54°
2
70°
45°
3
70°
37°
4
79°
39°
5
79°
43°
6
81°
67°
7
77°
53°
8
73°
59°
9
72°
63°
10
77°
61°
11
74°
46°
12
75°
48°
13
80°
55°
14
83°
59°
15
84°
61°
16
82°
61°
17
83°
60°
18
79°
60°
19
78°
58°
20
81°
61°
21
78°
62°
22
78°
62°
23
77°
61°
24
77°
62°
25
78°
62°
26
79°
63°
27
79°
63°
28
80°
62°
29
77°
63°
30
77°
62°
31
78°
64°
1
80°
63°
2
81°
64°
3
82°
64°
4
83°
65°
5
83°
66°
6
80°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Shawmut
Shawmut's May 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 46° and 67°. The average high for May is 79° with an average low of 61°. 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 Shawmut. See also: June | July | August.