S
M
T
W
T
F
S
27
75°
48°
28
68°
59°
29
84°
59°
30
77°
66°
1
70°
55°
2
68°
52°
3
70°
45°
4
72°
46°
5
72°
48°
6
73°
50°
7
73°
52°
8
59°
48°
9
63°
46°
10
61°
48°
11
59°
45°
12
64°
43°
13
70°
57°
14
64°
50°
15
68°
52°
16
68°
52°
17
58°
43°
18
54°
46°
19
60°
45°
20
59°
49°
21
56°
44°
22
56°
49°
23
57°
46°
24
54°
48°
25
57°
49°
26
58°
51°
27
59°
48°
28
58°
48°
29
59°
49°
30
57°
46°
31
58°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Brussels
Brussels's October 2026 forecast shows daily high temperatures ranging from 54° to 60°, with overnight lows between 43° and 51°. The average high for October is 57° with an average low of 47°. 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 Brussels. See also: November | December | January.