S
M
T
W
T
F
S
26
59°
42°
27
57°
44°
28
57°
43°
29
58°
43°
30
58°
44°
1
57°
44°
2
58°
46°
3
56°
43°
4
55°
43°
5
55°
44°
6
56°
43°
7
55°
43°
8
55°
44°
9
56°
47°
10
57°
47°
11
57°
48°
12
61°
49°
13
62°
49°
14
63°
48°
15
63°
50°
16
62°
49°
17
63°
50°
18
61°
48°
19
59°
50°
20
59°
50°
21
60°
48°
22
58°
47°
23
59°
49°
24
58°
51°
25
59°
51°
26
60°
50°
27
60°
52°
28
61°
52°
29
60°
51°
30
62°
52°
31
61°
50°
1
65°
53°
2
66°
52°
3
64°
48°
4
63°
48°
5
65°
49°
6
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cwmffrwd
Cwmffrwd's May 2026 forecast shows daily high temperatures ranging from 55° to 66°, with overnight lows between 42° and 53°. The average high for May is 60° 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 Cwmffrwd. See also: June | July | August.