S
M
T
W
T
F
S
26
56°
42°
27
56°
42°
28
57°
43°
29
59°
45°
30
60°
44°
1
60°
46°
2
61°
46°
3
61°
45°
4
60°
44°
5
61°
43°
6
61°
44°
7
60°
46°
8
62°
45°
9
62°
46°
10
61°
47°
11
63°
45°
12
62°
45°
13
62°
46°
14
63°
48°
15
62°
48°
16
63°
47°
17
63°
49°
18
60°
49°
19
62°
48°
20
62°
50°
21
61°
50°
22
62°
49°
23
59°
50°
24
61°
48°
25
59°
49°
26
61°
46°
27
62°
47°
28
65°
51°
29
62°
47°
30
61°
48°
31
62°
46°
1
63°
47°
2
65°
46°
3
66°
48°
4
66°
47°
5
67°
52°
6
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Margam
Margam's May 2026 forecast shows daily high temperatures ranging from 56° to 67°, with overnight lows between 42° and 52°. The average high for May is 62° 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 Margam. See also: June | July | August.
