S
M
T
W
T
F
S
31
77°
43°
1
74°
52°
2
76°
50°
3
79°
51°
4
83°
59°
5
92°
66°
6
95°
73°
7
89°
59°
8
65°
55°
9
76°
58°
10
79°
62°
11
80°
62°
12
79°
61°
13
80°
61°
14
79°
63°
15
84°
67°
16
75°
58°
17
76°
59°
18
77°
60°
19
78°
62°
20
81°
64°
21
79°
65°
22
78°
65°
23
80°
67°
24
79°
67°
25
81°
64°
26
80°
63°
27
84°
67°
28
85°
68°
29
82°
66°
30
81°
63°
1
81°
64°
2
82°
67°
3
82°
69°
4
85°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Cardiff
Cardiff's June 2026 forecast shows daily high temperatures ranging from 65° to 95°, with overnight lows between 50° and 73°. The average high for June is 81° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Cardiff. See also: July | August | September.
