S
M
T
W
T
F
S
26
58°
40°
27
59°
43°
28
58°
39°
29
55°
41°
30
55°
40°
1
54°
41°
2
55°
42°
3
55°
39°
4
56°
39°
5
55°
40°
6
56°
39°
7
56°
42°
8
57°
46°
9
61°
46°
10
58°
44°
11
58°
46°
12
59°
44°
13
58°
41°
14
61°
43°
15
64°
47°
16
65°
48°
17
64°
48°
18
66°
47°
19
66°
48°
20
63°
48°
21
64°
47°
22
65°
48°
23
65°
48°
24
63°
46°
25
65°
44°
26
66°
48°
27
69°
47°
28
67°
44°
29
65°
49°
30
68°
44°
31
65°
50°
1
68°
47°
2
69°
45°
3
64°
46°
4
64°
46°
5
65°
44°
6
64°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cwmbran
Cwmbran's May 2026 forecast shows daily high temperatures ranging from 54° to 69°, with overnight lows between 39° and 50°. The average high for May is 62° 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 Cwmbran. See also: June | July | August.
