S
M
T
W
T
F
S
31
69°
51°
1
66°
44°
2
62°
47°
3
63°
53°
4
69°
44°
5
71°
52°
6
63°
50°
7
69°
47°
8
65°
49°
9
64°
46°
10
65°
48°
11
66°
47°
12
64°
48°
13
67°
49°
14
67°
49°
15
68°
47°
16
69°
53°
17
69°
49°
18
67°
49°
19
66°
48°
20
65°
50°
21
68°
48°
22
68°
49°
23
69°
52°
24
70°
59°
25
72°
62°
26
78°
62°
27
79°
58°
28
74°
53°
29
72°
59°
30
76°
63°
1
80°
63°
2
Hist. Avg.
78°
57°
3
Hist. Avg.
78°
58°
4
Hist. Avg.
78°
58°
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 62° to 80°, with overnight lows between 44° and 63°. The average high for June is 69° 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.