S
M
T
W
T
F
S
31
82°
58°
1
N/A
2
83°
51°
3
85°
60°
4
87°
64°
5
86°
67°
6
86°
65°
7
87°
64°
8
86°
63°
9
85°
64°
10
85°
63°
11
84°
62°
12
84°
61°
13
81°
60°
14
80°
60°
15
81°
59°
16
74°
55°
17
75°
56°
18
76°
60°
19
77°
60°
20
77°
63°
21
78°
60°
22
80°
64°
23
80°
63°
24
82°
63°
25
81°
65°
26
86°
65°
27
83°
61°
28
79°
58°
29
78°
60°
30
79°
59°
1
82°
65°
2
84°
66°
3
83°
65°
4
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Cardiff
Cardiff's June 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 51° and 67°. The average high for June is 82° with an average low of 62°. 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.
