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
| 11 September 2026 Fri 21.2 ° C ( 70.1°F )  Patchy rain nearby |
Feels Like : 18.7 ° C / 65.7°F Humidity : % 62 Pressure : 1020 mb Wind Speed : 18.4 kmph / 11.4 miles from WSW 
Visibility : 10 km Precipitation (rainfall) : 0.06 mm Cloud (%) : 97 |
15-day weather forecast for National Airport, Brussels, Belgium
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 11 September 2026 Fri |  Overcast |
13.6 ° C | 22.3 ° C | 16.8 ° C | % 71 | 19.4 km/h | 65% |
| 12 September 2026 Sat | Overcast |
14 ° C | 25 ° C | 18.7 ° C | % 66 | 17.6 km/h | 9% |
| 13 September 2026 Sun | Patchy rain nearby |
15.8 ° C | 21.7 ° C | 17.5 ° C | % 81 | 18 km/h | 85% |
| 14 September 2026 Mon |  Mist |
13.5 ° C | 23.4 ° C | 18.1 ° C | % 75 | 9.7 km/h | 13% |
| 15 September 2026 Tue |  Sunny |
15.8 ° C | 27.8 ° C | 21 ° C | % 60 | 18.4 km/h | 6% |
| 16 September 2026 Wed | Patchy rain nearby |
12.8 ° C | 19.7 ° C | 17.2 ° C | % 73 | 19.4 km/h | 66% |
| 17 September 2026 Thu | Patchy rain nearby |
11.1 ° C | 17.6 ° C | 14.3 ° C | % 62 | 20.2 km/h | 43% |
| 18 September 2026 Fri | Overcast |
9.5 ° C | 19.7 ° C | 13.9 ° C | % 56 | 13.3 km/h | 8% |
| 19 September 2026 Sat | Overcast |
12.6 ° C | 19.4 ° C | 15 ° C | % 55 | 24.1 km/h | 36% |
| 20 September 2026 Sun | Patchy rain nearby |
12.4 ° C | 17.7 ° C | 14 ° C | % 64 | 34.2 km/h | 57% |
| 21 September 2026 Mon | Overcast |
11.3 ° C | 16.8 ° C | 13.6 ° C | % 75 | 36.7 km/h | 70% |
| 22 September 2026 Tue | Overcast |
11.5 ° C | 19.6 ° C | 14.9 ° C | % 67 | 15.5 km/h | 15% |
| 23 September 2026 Wed | Overcast |
12.4 ° C | 21.9 ° C | 16.4 ° C | % 72 | 13.7 km/h | 22% |
| 24 September 2026 Thu | Overcast |
13.9 ° C | 25.7 ° C | 19 ° C | % 65 | 15.5 km/h | 10% |
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