Brussels weather live forecast

Today's maximum temperature in Brussels is expected to be 23°C. Select a day from the live weather forecast for Brussels, Belgium for more weather parameters.

Monday
17th Aug
23

17

2

3
Tuesday
18th Aug
21

17

0

3
Wednesday
19th Aug
22

16

3

5
Thursday
20th Aug
23

15

6

5
Friday
21st Aug
22

14

5

4

5-day weather forecast updated at 04:00 on Monday 17th August 2026 GMT

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The 5-day weather forecast for Belgium (Brussels) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Brussels weather forecast by day

Below are the detailed weather forecasts for Brussels for the next 5 days.

Brussels weather for Monday 17th August 2026

Expect mostly cloudy with light rain in Brussels, Belgium with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a light breeze of 12 kph from the north.

23
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
25
% chance of some rain
<5
mm of rainfall expected
23
°C wind chill
12
kph wind from N

Brussels weather for Tuesday 18th August 2026

Expect mostly cloudy with light rain in Brussels, Belgium with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 17 kph from the south-west.

21
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
3
UV index (Moderate)
49
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
17
kph wind from SW

Brussels weather for Wednesday 19th August 2026

Expect mostly cloudy with light rain in Brussels, Belgium with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 14 kph from the west.

22
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
67
% chance of some rain
<5
mm of rainfall expected
22
°C wind chill
14
kph wind from W

Brussels weather for Thursday 20th August 2026

Expect isolated thunderstorms in Brussels, Belgium with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 17 kph from the south-west.

23
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
5
UV index (Moderate)
39
% chance of some rain
<2
mm of rainfall expected
23
°C wind chill
17
kph wind from SW

Brussels weather for Friday 21st August 2026

Expect isolated thunderstorms in Brussels, Belgium with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 13 kph from the south-west.