Brussels weather live forecast

Today's maximum temperature in Brussels is expected to be 20°C. Select a day from the live weather forecast for Brussels, Belgium for more weather parameters.

Wednesday
19th Aug
20

17

1

3
Thursday
20th Aug
20

16

6

4
Friday
21st Aug
20

13

4

3
Saturday
22nd Aug
20

12

4

5
Sunday
23rd Aug
20

11

9

4

5-day weather forecast updated at 04:00 on Wednesday 19th 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 Wednesday 19th August 2026

Expect mostly cloudy with rain in Brussels, Belgium with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 17 kph from the south-west.

20
°C maximum temperature
17
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
3
UV index (Moderate)
57
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
17
kph wind from SW

Brussels weather for Thursday 20th August 2026

Expect sunshine and showers in Brussels, Belgium with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 19 kph from the south-west.

20
°C maximum temperature
16
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
40
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Brussels weather for Friday 21st August 2026

Expect isolated thunderstorms in Brussels, Belgium with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 64% chance of some rain and a light breeze of 12 kph from the south-west.

20
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
3
UV index (Moderate)
64
% chance of some rain
<5
mm of rainfall expected
20
°C wind chill
12
kph wind from SW

Brussels weather for Saturday 22nd August 2026

Expect mostly cloudy with light rain in Brussels, Belgium with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a light breeze of 11 kph from the north.

20
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
28
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
11
kph wind from N

Brussels weather for Sunday 23rd August 2026

Expect scattered clouds in Brussels, Belgium with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.