S
M
T
W
T
F
S
26
64°
45°
27
64°
46°
28
55°
46°
29
66°
45°
30
72°
48°
1
59°
48°
2
61°
46°
3
61°
50°
4
63°
52°
5
59°
52°
6
57°
46°
7
55°
45°
8
62°
44°
9
63°
43°
10
54°
35°
11
56°
39°
12
59°
44°
13
54°
43°
14
54°
40°
15
55°
44°
16
54°
43°
17
57°
45°
18
57°
44°
19
58°
45°
20
57°
45°
21
58°
46°
22
57°
46°
23
57°
48°
24
58°
49°
25
61°
48°
26
64°
49°
27
63°
48°
28
58°
44°
29
60°
44°
30
62°
50°
31
63°
50°
1
65°
49°
2
64°
50°
3
65°
50°
4
62°
51°
5
64°
51°
6
66°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cwm
Cwm's May 2026 forecast shows daily high temperatures ranging from 54° to 66°, with overnight lows between 35° and 51°. The average high for May is 59° with an average low of 46°. 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 Cwm. See also: June | July | August.
