S
M
T
W
T
F
S
27
62°
55°
28
58°
54°
29
61°
56°
30
64°
54°
1
66°
55°
2
73°
56°
3
63°
39°
4
59°
39°
5
63°
43°
6
56°
38°
7
58°
30°
8
64°
42°
9
64°
39°
10
59°
36°
11
57°
32°
12
69°
47°
13
53°
43°
14
63°
50°
15
59°
34°
16
61°
33°
17
53°
44°
18
53°
28°
19
55°
36°
20
61°
49°
21
54°
39°
22
60°
48°
23
53°
30°
24
57°
26°
25
62°
29°
26
66°
33°
27
50°
32°
28
49°
25°
29
58°
41°
30
67°
37°
31
51°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Belfast
Belfast's October 2026 forecast shows daily high temperatures ranging from 51° to 67°, with overnight lows between 30° and 37°. The average high for October is 59° with an average low of 34°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Belfast. See also: November | December | January.
