S
M
T
W
T
F
S
31
60°
47°
1
65°
42°
2
65°
53°
3
69°
53°
4
72°
44°
5
67°
45°
6
60°
46°
7
66°
52°
8
70°
49°
9
67°
48°
10
70°
51°
11
73°
50°
12
72°
51°
13
72°
53°
14
75°
51°
15
76°
56°
16
76°
59°
17
77°
59°
18
78°
48°
19
71°
48°
20
64°
49°
21
67°
57°
22
70°
56°
23
69°
50°
24
69°
54°
25
68°
49°
26
69°
49°
27
67°
57°
28
72°
56°
29
74°
55°
30
73°
61°
1
75°
61°
2
74°
62°
3
77°
51°
4
78°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Brussels
Brussels's June 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 42° and 62°. The average high for June is 70° 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 Brussels. See also: July | August | September.