National Airport (BRU) 15 Day Weather Forecast, Brussels Belgium
Current weather conditions and 15 day weather forecast for National Airport in Brussels, Belgium including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at BRU
| 13 September 2026 Sun 16.5 ° C ( 61.7°F )  Light drizzle |
Feels Like : 14.3 ° C / 57.7°F Humidity : % 84 Pressure : 1021 mb Wind Speed : 17.6 kmph / 11 miles from WSW 
Visibility : 2 km Precipitation (rainfall) : 0.33 mm Cloud (%) : 100 |
15-day weather forecast for National Airport, Brussels, Belgium
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun |  Overcast |
16.1 ° C | 19.2 ° C | 17.1 ° C | % 86 | 24.8 km/h | 84% |
| 14 September 2026 Mon |  Sunny |
14.7 ° C | 24.6 ° C | 18.9 ° C | % 79 | 9.7 km/h | 20% |
| 15 September 2026 Tue | Sunny |
16.7 ° C | 27.5 ° C | 20.7 ° C | % 74 | 20.9 km/h | 68% |
| 16 September 2026 Wed |  Patchy rain nearby |
13.3 ° C | 18.9 ° C | 16 ° C | % 75 | 19.8 km/h | 63% |
| 17 September 2026 Thu | Overcast |
11 ° C | 19 ° C | 14.4 ° C | % 70 | 25.2 km/h | 67% |
| 18 September 2026 Fri | Overcast |
11.2 ° C | 18.6 ° C | 15.1 ° C | % 70 | 22 km/h | 60% |
| 19 September 2026 Sat | Overcast |
12.3 ° C | 19 ° C | 15.7 ° C | % 68 | 25.9 km/h | 36% |
| 20 September 2026 Sun | Overcast |
11.4 ° C | 19.9 ° C | 15.4 ° C | % 65 | 17.3 km/h | 13% |
| 21 September 2026 Mon | Sunny |
13.8 ° C | 22.3 ° C | 17 ° C | % 55 | 29.2 km/h | 6% |
| 22 September 2026 Tue | Overcast |
10.6 ° C | 19.1 ° C | 14.4 ° C | % 59 | 17.3 km/h | 9% |
| 23 September 2026 Wed | Sunny |
11.9 ° C | 22.2 ° C | 16.2 ° C | % 70 | 28.8 km/h | 9% |
| 24 September 2026 Thu | Overcast |
12.2 ° C | 20.4 ° C | 16.5 ° C | % 73 | 12.2 km/h | 14% |
| 25 September 2026 Fri | Overcast |
13.8 ° C | 23.1 ° C | 17.2 ° C | % 74 | 19.1 km/h | 14% |
| 26 September 2026 Sat | Sunny |
11.4 ° C | 18.9 ° C | 14.5 ° C | % 59 | 27.4 km/h | 36% |
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