S
M
T
W
T
F
S
26
55°
39°
27
57°
36°
28
50°
37°
29
48°
45°
30
55°
46°
1
64°
43°
2
59°
41°
3
54°
36°
4
70°
41°
5
75°
50°
6
70°
57°
7
59°
48°
8
61°
41°
9
63°
36°
10
73°
54°
11
61°
43°
12
59°
43°
13
66°
45°
14
61°
52°
15
54°
45°
16
75°
45°
17
88°
57°
18
79°
57°
19
91°
68°
20
91°
68°
21
72°
50°
22
57°
48°
23
61°
46°
24
55°
52°
25
73°
55°
26
79°
54°
27
86°
63°
28
68°
51°
29
66°
48°
30
52°
41°
31
66°
51°
1
65°
43°
2
68°
51°
3
69°
54°
4
74°
55°
5
77°
60°
6
74°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Duxbury
South Duxbury's May 2026 forecast shows daily high temperatures ranging from 52° to 77°, with overnight lows between 41° and 60°. The average high for May is 68° with an average low of 51°. 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 South Duxbury. See also: June | July | August.
