S
M
T
W
T
F
S
26
63°
37°
27
66°
41°
28
68°
45°
29
68°
46°
30
70°
46°
1
77°
45°
2
75°
55°
3
63°
55°
4
64°
54°
5
55°
50°
6
57°
46°
7
59°
48°
8
64°
50°
9
70°
45°
10
66°
48°
11
52°
41°
12
55°
39°
13
55°
45°
14
52°
43°
15
52°
39°
16
55°
39°
17
59°
48°
18
59°
46°
19
61°
46°
20
67°
51°
21
74°
55°
22
81°
59°
23
84°
61°
24
83°
59°
25
81°
61°
26
84°
63°
27
79°
59°
28
76°
57°
29
73°
54°
30
69°
52°
31
68°
51°
1
67°
52°
2
62°
48°
3
62°
48°
4
63°
49°
5
62°
50°
6
63°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brussels
Brussels's May 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 48° and 63°. The average high for May is 72° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Brussels. See also: June | July | August.
