S
M
T
W
T
F
S
31
64°
55°
1
N/A
2
65°
50°
3
61°
52°
4
60°
48°
5
59°
50°
6
60°
51°
7
62°
50°
8
62°
51°
9
63°
50°
10
64°
52°
11
62°
52°
12
64°
54°
13
65°
53°
14
62°
47°
15
62°
52°
16
63°
52°
17
62°
49°
18
62°
51°
19
63°
52°
20
63°
53°
21
64°
53°
22
63°
52°
23
63°
53°
24
64°
51°
25
62°
50°
26
62°
51°
27
64°
50°
28
63°
52°
29
63°
54°
30
64°
53°
1
64°
54°
2
65°
54°
3
64°
55°
4
64°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Belfast
Belfast's June 2026 forecast shows daily high temperatures ranging from 59° to 65°, with overnight lows between 47° and 55°. The average high for June is 63° with an average low of 52°. 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 Belfast. See also: July | August | September.
