S
M
T
W
T
F
S
26
64°
41°
27
68°
45°
28
57°
45°
29
68°
43°
30
72°
50°
1
61°
50°
2
59°
50°
3
59°
48°
4
57°
52°
5
59°
50°
6
57°
46°
7
57°
50°
8
63°
46°
9
66°
45°
10
61°
39°
11
57°
37°
12
61°
37°
13
57°
43°
14
55°
40°
15
57°
39°
16
57°
46°
17
58°
43°
18
58°
52°
19
60°
52°
20
61°
53°
21
65°
52°
22
66°
55°
23
62°
51°
24
63°
52°
25
64°
53°
26
59°
51°
27
60°
49°
28
59°
47°
29
59°
47°
30
60°
50°
31
61°
52°
1
63°
53°
2
65°
53°
3
67°
52°
4
64°
53°
5
63°
53°
6
62°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Capel Dewi
Capel Dewi's May 2026 forecast shows daily high temperatures ranging from 55° to 67°, with overnight lows between 39° and 55°. The average high for May is 61° with an average low of 50°. 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 Capel Dewi. See also: June | July | August.