15-Day Weather Forecast - Brussels
15-day weather forecast for Brussels: temperatures from 8°C (46°F) to 26°C (79°F). Average daily high 18°C (64°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Brussels's 15-day outlook ranges from a low of 8°C to a high of 26°C, with an average daytime high near 18°C. That's 2° below the long-term average high of 20°C for this time of year. Air quality is currently good (AQI 27), with no notable outdoor health concerns.
Today vs 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.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Extended Outlook for Brussels
Over the next 15 days, Brussels is forecast to see temperatures ranging from 8°C to 26°C, averaging a daily high of 18°C. The extended outlook indicates significant rainfall totalling 48.6 mm spread across 13 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.