27.08
thu
thu
Day
73°F
NW 10 mph
Precip.
11%
11%
Night
66°F
E 10 mph
Precip.
31%
31%
28.08
fri
fri
Day
68°F
NE 14 mph
Precip.
67%
67%
Night
61°F
NE 10 mph
Precip.
34%
34%
29.08
sat
sat
Day
68°F
NE 19 mph
Precip.
14%
14%
Night
66°F
NE 17 mph
Precip.
16%
16%
30.08
sun
sun
Day
66°F
NE 12 mph
Precip.
30%
30%
Night
64°F
N 7 mph
Precip.
6%
6%
31.08
mon
mon
Day
63°F
NE 20 mph
Precip.
40%
40%
Night
61°F
NE 13 mph
Precip.
21%
21%
01.09
tue
tue
Day
66°F
NE 17 mph
Precip.
7%
7%
Night
57°F
NE 10 mph
Precip.
36%
36%
02.09
wed
wed
Day
64°F
E 11 mph
Precip.
4%
4%
Night
55°F
E 4 mph
Precip.
11%
11%
03.09
thu
thu
Day
61°F
NE 14 mph
Precip.
17%
17%
Night
63°F
E 12 mph
Precip.
56%
56%
04.09
fri
fri
Day
66°F
SE 12 mph
Precip.
7%
7%
Night
57°F
SE 3 mph
Precip.
15%
15%
05.09
sat
sat
Day
66°F
E 3 mph
Precip.
10%
10%
Night
59°F
SW 5 mph
Precip.
7%
7%
06.09
sun
sun
Day
66°F
SW 8 mph
Precip.
2%
2%
Night
59°F
W 7 mph
Precip.
2%
2%
07.09
mon
mon
Day
73°F
NW 7 mph
Precip.
1%
1%
Night
64°F
N 9 mph
Precip.
5%
5%
08.09
tue
tue
Day
63°F
SE 9 mph
Precip.
19%
19%
Night
59°F
E 4 mph
Precip.
15%
15%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 71.2°F. The highest and lowest sea temperatures during the month were 72.1°F and 68.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.0°F. The highest and lowest sea temperatures during the month were 68.4°F and 61.2°F.
Air temperature in Brussel, °F
Precipitation total in Brussel, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Brussel
Brussel on a weather map
Places in Belgium:
Name
°F
24 Hours Forecast
Brussel
Local time: 02:18
August 27, thursday
0300
66°F
NW
8 mph
8 mph
0600
66°F
W
8 mph
8 mph
0900
66°F
W
6 mph
6 mph
1200
73°F
NW
10 mph
10 mph
1500
86°F
N
11 mph
11 mph
1800
79°F
NE
4 mph
4 mph
2100
73°F
N
6 mph
6 mph
August 28, friday
0000
66°F
E
10 mph
10 mph
