S
M
T
W
T
F
S
28
64°
55°
29
66°
55°
30
66°
57°
1
63°
59°
2
64°
57°
3
64°
57°
4
68°
61°
5
70°
59°
6
72°
59°
7
77°
59°
8
81°
57°
9
73°
59°
10
73°
59°
11
75°
59°
12
76°
55°
13
72°
55°
14
76°
57°
15
77°
60°
16
78°
60°
17
75°
59°
18
71°
58°
19
72°
56°
20
72°
58°
21
71°
58°
22
70°
57°
23
71°
58°
24
67°
57°
25
66°
56°
26
67°
55°
27
65°
56°
28
66°
56°
29
66°
57°
30
67°
56°
31
68°
57°
1
68°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Belfast
Belfast's July 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 55° and 60°. The average high for July is 71° with an average low of 57°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Belfast. See also: August | September | October.
