S
M
T
W
T
F
S
26
64°
44°
27
70°
46°
28
58°
41°
29
65°
47°
30
68°
50°
1
62°
49°
2
57°
46°
3
58°
45°
4
60°
46°
5
59°
46°
6
60°
45°
7
59°
44°
8
60°
45°
9
56°
43°
10
57°
44°
11
59°
44°
12
57°
44°
13
57°
46°
14
58°
49°
15
59°
49°
16
61°
48°
17
60°
46°
18
63°
50°
19
65°
51°
20
65°
50°
21
66°
51°
22
66°
51°
23
67°
50°
24
66°
51°
25
65°
51°
26
63°
50°
27
62°
50°
28
61°
49°
29
62°
50°
30
64°
51°
31
66°
51°
1
67°
52°
2
67°
52°
3
68°
52°
4
67°
51°
5
67°
51°
6
65°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Treorchy
Treorchy's May 2026 forecast shows daily high temperatures ranging from 56° to 70°, with overnight lows between 41° and 52°. The average high for May is 63° 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 Treorchy. See also: June | July | August.
