- Clothing
- Light layers work well; a jacket for the evening.
Tomorrow's Weather Forecast - Brussels
Tomorrow's weather in Brussels. high 23°C (73°F), low 15°C (59°F). Overcast.
Tomorrow’s Outlook
Tomorrow will be 4°C warmer than today. Expect pleasant, mostly clear skies with little chance of rain. Humidity holds around 74%, giving the air a damp, heavy feel even without much heat behind it. A light breeze near 15 km/h is expected. Sunrise is at 7:13 AM and sunset at 8:03 PM, for about 12h 50m of daylight.
- Tomorrow
- 23°/ 15°
- Today19° / 15°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon16°
- Rain probability
- 0%
- Wind speed
- 8 km/h
AfternoonNoon – 6 PM21°
- Rain probability
- 0%
- Wind speed
- 15 km/h
Evening6 PM – Midn21°
- Rain probability
- 0%
- Wind speed
- 12 km/h
NightMidn – 6 AM17°
- Rain probability
- 0%
- Wind speed
- 6 km/h
24-Hour Rain & Temperature Forecast
Tomorrow12 Sep
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Planning Advice for Tomorrow
- Outdoor
- Good conditions for outdoor activities.
- Travel
- Standard travel conditions expected.
Sunrise & Sunset
Sunrise
Dawn 6:43 AMTotal Daylight
Full day forecastSolar noon 1:38 PM
Sunset
Dusk 8:33 PMvs today-4 min daylight
Sunrise shift2 min later
Sunset shift2 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Brussels is forecast to reach a high of 23°C tomorrow, with an overnight low around 15°C. That's 3° above the long-term average high of 20°C for this time of year. It continues a recent pattern — 11 of the last 19 days with published data have run warmer than normal. Expect little chance of rain (0% probability) and a gentle breeze averaging 15 km/h. Air quality is currently good (AQI 35), with no notable outdoor health concerns.
Today vs Normal
19°C-1° below normal
The long-term average high for today is 20°C.
11 of the last 19 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.
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.