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
N/A
3
73°
44°
4
80°
52°
5
82°
59°
6
84°
65°
7
73°
47°
8
71°
48°
9
77°
52°
10
79°
56°
11
77°
56°
12
80°
55°
13
78°
57°
14
77°
58°
15
79°
57°
16
77°
57°
17
79°
59°
18
79°
61°
19
82°
61°
20
81°
62°
21
77°
59°
22
80°
55°
23
76°
54°
24
77°
56°
25
78°
58°
26
79°
57°
27
77°
56°
28
78°
57°
29
80°
60°
30
81°
62°
31
80°
64°
1
82°
65°
2
81°
64°
3
81°
64°
4
82°
62°
5
85°
65°
6
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Shawmut
Shawmut's May 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 44° and 66°. The average high for May is 79° with an average low of 58°. 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.