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°
44°
7
59°
46°
8
64°
48°
9
66°
47°
10
61°
42°
11
57°
41°
12
56°
43°
13
57°
44°
14
56°
45°
15
57°
45°
16
59°
48°
17
61°
47°
18
60°
48°
19
60°
45°
20
60°
46°
21
61°
48°
22
60°
48°
23
60°
50°
24
61°
50°
25
64°
49°
26
67°
51°
27
66°
50°
28
61°
46°
29
63°
46°
30
64°
52°
31
66°
52°
1
67°
51°
2
68°
52°
3
68°
51°
4
65°
52°
5
66°
53°
6
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Caerphilly
Caerphilly's May 2026 forecast shows daily high temperatures ranging from 56° to 68°, with overnight lows between 41° and 53°. The average high for May is 62° 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 Caerphilly. See also: June | July | August.
