Brussels weather live forecast

Today's maximum temperature in Brussels is expected to be 24°C. Select a day from the live weather forecast for Brussels, Belgium for more weather parameters.

5-day weather forecast updated at 04:01 on Thursday 18th September 2025 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 Thursday 18th September 2025

Expect broken clouds in Brussels, Belgium with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

  • 24°C maximum temperature24
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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Brussels weather for Friday 19th September 2025

Expect clear skies in Brussels, Belgium with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

  • 27°C maximum temperature27
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 14 kph from the South14
    kph wind from S

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Brussels weather for Saturday 20th September 2025

Expect broken clouds in Brussels, Belgium with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

  • 28°C maximum temperature28
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 17 kph from the South17
    kph wind from S

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Brussels weather for Sunday 21st September 2025

Expect isolated thunderstorms in Brussels, Belgium with a maximum temperature of 21°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 34% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 34% chance of some rain34
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

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Brussels weather for Monday 22nd September 2025

Expect mostly cloudy with rain in Brussels, Belgium with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 50% chance of some rain and a gentle breeze of 13 kph from the north.

  • 17°C maximum temperature17
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 50% chance of some rain50
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 17°C wind chill17
    °C wind chill
  • Gentle breeze of 13 kph from the North13
    kph wind from N

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Metric (°C / mm)  |  Imperial (°F / inches)

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