S
M
T
W
T
F
S
31
62°
51°
1
64°
52°
2
65°
51°
3
65°
51°
4
66°
52°
5
66°
53°
6
65°
52°
7
66°
52°
8
66°
53°
9
65°
53°
10
64°
52°
11
65°
52°
12
63°
53°
13
62°
51°
14
63°
52°
15
64°
51°
16
65°
53°
17
66°
52°
18
67°
53°
19
65°
54°
20
66°
55°
21
68°
54°
22
68°
54°
23
66°
53°
24
65°
53°
25
66°
54°
26
66°
54°
27
69°
53°
28
69°
54°
29
68°
55°
30
70°
55°
1
69°
54°
2
68°
53°
3
69°
54°
4
66°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Caernarfon
Caernarfon's June 2026 forecast shows daily high temperatures ranging from 62° to 70°, with overnight lows between 51° and 55°. The average high for June is 66° with an average low of 53°. 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 Caernarfon. See also: July | August | September.
