Brussels weather live forecast

Today's maximum temperature in Brussels is expected to be 75°F. 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 75°F, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-west.

  • 75°F maximum temperature75
    °F maximum temperature
  • 61°F minimum temperature61
    °F 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
  • 75°F wind chill75
    °F wind chill
  • Gentle breeze of 11 mph from the South-West11
    mph 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 81°F, 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 9 mph from the south.

  • 81°F maximum temperature81
    °F maximum temperature
  • 57°F minimum temperature57
    °F 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 9 mph from the South9
    mph 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 82°F, 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 11 mph from the south.

  • 82°F maximum temperature82
    °F maximum temperature
  • 66°F minimum temperature66
    °F 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 11 mph from the South11
    mph 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 70°F, 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 11 mph from the south-west.

  • 70°F maximum temperature70
    °F maximum temperature
  • 57°F minimum temperature57
    °F 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
  • 70°F wind chill70
    °F wind chill
  • Gentle breeze of 11 mph from the South-West11
    mph 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 63°F, 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 8 mph from the north.

  • 63°F maximum temperature63
    °F maximum temperature
  • 52°F minimum temperature52
    °F 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
  • 63°F wind chill63
    °F wind chill
  • Gentle breeze of 8 mph from the North8
    mph wind from N

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