S
M
T
W
T
F
S
26
55°
39°
27
58°
33°
28
53°
42°
29
50°
45°
30
55°
46°
1
58°
42°
2
53°
42°
3
54°
39°
4
60°
45°
5
64°
48°
6
62°
49°
7
62°
47°
8
63°
46°
9
62°
49°
10
61°
45°
11
61°
42°
12
62°
44°
13
63°
48°
14
65°
45°
15
62°
43°
16
61°
44°
17
60°
43°
18
61°
43°
19
65°
51°
20
66°
47°
21
64°
45°
22
64°
46°
23
65°
45°
24
64°
47°
25
66°
52°
26
67°
49°
27
66°
47°
28
66°
47°
29
69°
54°
30
74°
55°
31
74°
52°
1
70°
54°
2
73°
57°
3
77°
56°
4
70°
56°
5
76°
52°
6
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Duxbury
Duxbury's May 2026 forecast shows daily high temperatures ranging from 50° to 77°, with overnight lows between 33° and 57°. The average high for May is 64° 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 Duxbury. See also: June | July | August.