S
M
T
W
T
F
S
26
58°
38°
27
59°
41°
28
56°
46°
29
55°
45°
30
57°
47°
1
56°
48°
2
58°
45°
3
58°
44°
4
62°
46°
5
61°
48°
6
64°
44°
7
65°
48°
8
61°
47°
9
62°
44°
10
61°
43°
11
61°
42°
12
62°
43°
13
61°
44°
14
60°
45°
15
61°
45°
16
61°
44°
17
62°
44°
18
62°
45°
19
63°
45°
20
63°
49°
21
64°
48°
22
65°
50°
23
66°
54°
24
69°
54°
25
70°
53°
26
66°
50°
27
67°
53°
28
69°
54°
29
67°
55°
30
67°
54°
31
66°
54°
1
67°
56°
2
68°
56°
3
68°
55°
4
73°
56°
5
76°
50°
6
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Weymouth
Weymouth's May 2026 forecast shows daily high temperatures ranging from 55° to 76°, with overnight lows between 38° and 56°. The average high for May is 64° with an average low of 48°. 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 Weymouth. See also: June | July | August.
