S
M
T
W
T
F
S
26
59°
41°
27
61°
42°
28
58°
45°
29
60°
46°
30
62°
48°
1
63°
47°
2
60°
46°
3
59°
45°
4
57°
46°
5
57°
43°
6
58°
43°
7
58°
44°
8
57°
43°
9
58°
45°
10
58°
44°
11
59°
46°
12
59°
46°
13
60°
48°
14
64°
49°
15
67°
49°
16
66°
52°
17
67°
53°
18
68°
53°
19
67°
52°
20
66°
53°
21
65°
53°
22
68°
52°
23
63°
51°
24
65°
53°
25
66°
52°
26
68°
53°
27
69°
54°
28
70°
54°
29
66°
51°
30
69°
55°
31
69°
52°
1
65°
51°
2
64°
46°
3
64°
47°
4
65°
46°
5
65°
48°
6
66°
50°
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 57° to 70°, with overnight lows between 41° and 55°. The average high for May is 63° with an average low of 49°. 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.
