S
M
T
W
T
F
S
26
63°
44°
27
62°
47°
28
56°
45°
29
63°
42°
30
70°
44°
1
N/A
2
66°
50°
3
57°
46°
4
58°
42°
5
55°
43°
6
54°
41°
7
55°
42°
8
59°
45°
9
60°
44°
10
59°
45°
11
60°
45°
12
60°
44°
13
59°
46°
14
58°
40°
15
62°
48°
16
63°
47°
17
60°
45°
18
62°
47°
19
59°
46°
20
59°
46°
21
60°
45°
22
60°
43°
23
61°
42°
24
60°
43°
25
59°
42°
26
60°
43°
27
62°
47°
28
61°
49°
29
65°
49°
30
62°
44°
31
60°
44°
1
60°
43°
2
61°
44°
3
60°
44°
4
60°
45°
5
61°
44°
6
61°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Cefn-Mawr
Cefn-Mawr's May 2026 forecast shows daily high temperatures ranging from 54° to 66°, with overnight lows between 40° and 50°. The average high for May is 60° with an average low of 45°. 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 Cefn-Mawr. See also: June | July | August.
