Brussels weather forecast for 5 days

Brussels weather forecast for 5 days. ℃ Average temperatures % Humidity, precipitation ️ Sunrise and sunset ️ Wind direction and speed

31 August 2026, Monday
+16°C / +19°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+18°C
7.2
85%
1001
01:00
+18°C
10.8
85%
1002
02:00
+18°C
12.2
93%
1002
03:00
+17°C
13
91%
1001
04:00
+17°C
19.1
85%
1001
05:00
+16°C
19.8
89%
1001
06:00
+17°C
19.1
90%
1001
07:00
+16°C
21.6
83%
1001
08:00
+16°C
20.2
86%
1001
09:00
+17°C
21.2
84%
1001
10:00
+17°C
23
84%
1001
11:00
+17°C
24.1
83%
1001
12:00
+18°C
27.7
77%
1001
13:00
+18°C
23.8
85%
1002
14:00
+17°C
26.3
91%
1003
15:00
+17°C
15.5
93%
1003
16:00
+18°C
17.6
89%
1003
17:00
+18°C
22
87%
1004
18:00
+19°C
19.4
81%
1004
19:00
+19°C
16.9
81%
1005
20:00
+18°C
14.4
84%
1006
21:00
+18°C
14
86%
1007
22:00
+17°C
16.2
87%
1008
23:00
+17°C
13.3
88%
1008
01 September 2026, Tuesday
+15°C / +21°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
13.7
92%
1008
01:00
+16°C
13.3
94%
1009
02:00
+15°C
12.2
95%
1009
03:00
+15°C
11.5
96%
1009
04:00
+15°C
10.1
96%
1009
05:00
+15°C
10.4
96%
1009
06:00
+15°C
9.7
95%
1009
07:00
+15°C
11.2
95%
1010
08:00
+15°C
9.7
94%
1010
09:00
+16°C
10.8
93%
1011
10:00
+17°C
10.4
88%
1011
11:00
+18°C
12.2
80%
1011
12:00
+19°C
12.6
69%
1012
13:00
+20°C
11.2
64%
1012
14:00
+21°C
10.1
61%
1012
15:00
+20°C
12.6
63%
1012
16:00
+21°C
9.4
54%
1012
17:00
+21°C
8.6
53%
1011
18:00
+21°C
8.6
53%
1011
19:00
+21°C
9.4
55%
1012
20:00
+20°C
7.9
58%
1012
21:00
+19°C
7.2
60%
1012
22:00
+18°C
3.6
64%
1012
23:00
+17°C
1.8
68%
1012
02 September 2026, Wednesday
+13°C / +21°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+16°C
6.1
73%
1012
01:00
+15°C
5.8
76%
1012
02:00
+15°C
6.1
77%
1012
03:00
+15°C
6.8
79%
1012
04:00
+14°C
7.2
81%
1012
05:00
+14°C
7.9
82%
1012
06:00
+13°C
7.9
85%
1012
07:00
+13°C
9.4
85%
1012
08:00
+14°C
10.4
84%
1012
09:00
+15°C
10.8
82%
1012
10:00
+16°C
11.5
80%
1013
11:00
+17°C
11.5
79%
1013
12:00
+18°C
11.2
76%
1013
13:00
+19°C
9.7
70%
1013
14:00
+20°C
10.1
61%
1013
15:00
+21°C
10.8
57%
1013
16:00
+21°C
13.7
61%
1013
17:00
+21°C
12.2
60%
1013
18:00
+19°C
11.2
68%
1013
19:00
+19°C
8.5
71%
1012
20:00
+18°C
8.3
74%
1012
21:00
+17°C
9.4
80%
1012
22:00
+17°C
10.6
83%
1012
23:00
+17°C
12.6
81%
1012
03 September 2026, Thursday
+16°C / +22°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+17°C
13.1
78%
1013
01:00
+17°C
13.8
78%
1012
02:00
+17°C
14.5
78%
1012
03:00
+17°C
14.8
79%
1012
04:00
+16°C
14.6
81%
1012
05:00
+16°C
15.4
78%
1011
06:00
+17°C
15.8
77%
1011
07:00
+17°C
17.6
76%
1011
08:00
+17°C
18
77%
1011
09:00
+17°C
17.8
77%
1011
10:00
+18°C
16.1
78%
1012
11:00
+19°C
15.9
77%
1011
12:00
+20°C
20
75%
1011
13:00
+21°C
21.7
77%
1011
14:00
+21°C
18.8
76%
1011
15:00
+21°C
17.5
84%
1011
16:00
+21°C
13.2
85%
1011
17:00
+22°C
22.5
79%
1011
18:00
+22°C
20.9
79%
1011
19:00
+21°C
17.7
83%
1011
20:00
+21°C
16.4
84%
1011
21:00
+20°C
15.5
85%
1011
22:00
+20°C
15.4
86%
1011
23:00
+20°C
15.4
87%
1011
04 September 2026, Friday
+18°C / +24°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+19°C
15.4
88%
1011
01:00
+19°C
15.7
89%
1011
02:00
+19°C
15.8
90%
1010
03:00
+19°C
16.1
92%
1010
04:00
+18°C
16.2
93%
1009
05:00
+18°C
16.5
94%
1009
06:00
+18°C
16.6
95%
1009
07:00
+18°C
16.7
94%
1009
08:00
+18°C
17.1
93%
1008
09:00
+19°C
17.9
90%
1008
10:00
+20°C
19.1
85%
1008
11:00
+21°C
20
81%
1008
12:00
+22°C
20.2
76%
1008
13:00
+23°C
20.1
71%
1008
14:00
+23°C
20
68%
1007
15:00
+24°C
19.9
67%
1007
16:00
+24°C
19.6
67%
1007
17:00
+24°C
19
68%
1007
18:00
+23°C
17.9
70%
1007
19:00
+22°C
16.5
73%
1007
20:00
+22°C
15.3
76%
1007
21:00
+21°C
14.9
79%
1008
22:00
+20°C
15.2
82%
1008
23:00
+20°C
14.9
85%
1008


Climate Characteristics of Brussels

General Overview

Brussels is characterized by an oceanic climate (temperate maritime). Due to its relative proximity to the Atlantic Ocean, the weather in the city tends to be volatile and rainy throughout the year. Temperatures are generally mild – winters are cool but rarely extremely freezing, and summers are pleasant and comfortable, although short heatwaves occasionally hit the city.

Summer Season and Warm Months

Summer in Brussels is mild and very pleasant for traveling. Average daytime temperatures range from 21°C to 23°C (70-73°F), and they rarely cross 30°C (86°F). This is a time with very long daylight hours, but it is important to remember that even at the peak of summer, sudden rain showers can occur, so it is always recommended to carry an umbrella or a light jacket.

Winter Season and Precipitation

Winter in Brussels is grey, wet, and cool. Daytime temperatures range from 5°C to 7°C (41-45°F), and at night they drop close to zero (32°F). Snow is not very common within the city and tends to melt quickly, but rain and fog are a regular sight. High humidity and winds make the cold feel more intense than the measured temperature.

Transition Seasons and Special Phenomena

Spring and autumn are beautiful seasons in Brussels but are particularly volatile. Spring is characterized by spectacular blooms in the city's many parks, while autumn colors the boulevards in orange and yellow. Extreme weather events are rare, but strong windstorms from the Atlantic can occur mainly in late autumn and early winter.

 

Weather in Brussels by Month

January

January is the coldest month of the year in Brussels. Days are often grey and very rainy, with average temperatures of 6°C during the day and dropping to 1°C at night. Daylight hours are at their shortest.

February

The weather remains cold and very similar to January, though February is sometimes slightly drier. Average daytime temperatures are around 7°C. Full winter gear and an umbrella are still necessary.

March

March marks the beginning of spring, but the weather is notoriously volatile – pleasant sunny days can quickly turn into cold rain. The average daytime temperature rises to about 10°C.

April

April in Brussels is known for sudden weather shifts (locals call it "crazy weather"). Temperatures climb to about 14°C, and blossoms in the parks start appearing everywhere.

May

One of the most beautiful and pleasant months to visit. Temperatures are comfortable (averaging 18°C), days lengthen significantly, and the city becomes very green and vibrant.

June

June opens the summer season with ideal weather for sightseeing, around 21°C during the day. Daylight hours are at their peak, and the sun does not set until after 10:00 PM.

July

This is the warmest month of the year in Brussels, with an average temperature of 23°C. Although it is summer, sudden rain showers are still common, and short heatwaves occasionally hit the city.

August

Very similar to July, with temperatures around 23°C and relatively low humidity. Toward the end of the month, the first hints of autumnal coolness can be felt in the evening hours.

September

A highly recommended month for a visit. Temperatures drop slightly to about 19°C, and the city is less crowded with tourists. The air is very pleasant, but rainfall gradually begins to increase.

October

Autumn arrives in full force with spectacular foliage in shades of orange and yellow. Daytime temperatures range around 15°C, and the air becomes wetter and cooler.

November

A grey, cool, and often windy month. The average daytime temperature is about 9°C, and there are far fewer sunshine hours than in previous months.

December

Winter officially returns with daytime temperatures around 6°C. Despite the cold and rain, the city is lit up with Christmas lights and festive markets that add plenty of charm to the atmosphere.

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