Today's Weather Forecast - Brussels

Today's weather in Brussels. high 19°C (66°F), low 14°C (57°F). Drizzle.

Today’s Hourly Weather Outlook

Morning6 AM – Noon16°
Wind speed
14 km/h
Rain probability
35%
AfternoonNoon – 6 PM17°
Wind speed
14 km/h
Rain probability
73%
Evening6 PM – Midn18°
Wind speed
8 km/h
Rain probability
91%
NightMidn – 6 AM16°
Wind speed
10 km/h
Rain probability
0%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:41 AM
Total Daylight
79% of day elapsedSolar noon 1:38 PM
Sunset
Dusk 8:35 PM
Remaining2h 40m
Solar elevation24°
vs yesterday-6 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: O3
Monitoring station
Brussels
PM2.5
10μg/m³
PM10
9μg/m³
O₃
25.6ppb
NO₂
3.2ppb
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Brussels is forecast to reach a high of 19°C today, with an overnight low around 14°C. That's 1° below the long-term average high of 20°C for this time of year. Expect a high chance of rain (91% probability) and a gentle breeze averaging 14 km/h. Air quality is currently good (AQI 28), with no notable outdoor health concerns.

Today vs Normal

19°C-1° below normal

The long-term average high for today is 20°C.

19 of the last 28 days with published data ran above normal.

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

2026-08-28: 21°C21°2026-08-29: 21°C21°2026-08-30: 23°C23°2026-08-31: 21°C21°2026-09-01: 22°C22°2026-09-02: 22°C22°2026-09-03: 23°C23°2026-09-04: 23°C23°2026-09-05: 22°C22°2026-09-06: 24°C24°2026-09-07: 28°C28°2026-09-08: 23°C23°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.