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
| 15 December 2025 Mon 10 ° C ( 50°F )  Sunny |
Feels Like : 7.3 ° C / 45.1°F Humidity : % 76 Pressure : 1011 mb Wind Speed : 20.9 kmph / 13 miles from S 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for National Airport, Brussels, Belgium
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 15 December 2025 Mon | Sunny |
6.1 ° C | 10.1 ° C | 7.7 ° C | % 78 | 23.8 km/h | 0% |
| 16 December 2025 Tue |  Partly Cloudy |
7.4 ° C | 11.4 ° C | 9.2 ° C | % 69 | 20.2 km/h | 0% |
| 17 December 2025 Wed |  Patchy rain nearby |
6.8 ° C | 9.6 ° C | 8.1 ° C | % 91 | 13.3 km/h | 85% |
| 18 December 2025 Thu | Sunny |
5.6 ° C | 11.1 ° C | 8.1 ° C | % 85 | 23 km/h | 0% |
| 19 December 2025 Fri | Patchy rain nearby |
7.9 ° C | 10.5 ° C | 9.4 ° C | % 84 | 31.7 km/h | 89% |
| 20 December 2025 Sat |  Overcast |
6.7 ° C | 10 ° C | 7.8 ° C | % 81 | 14.8 km/h | 0% |
| 21 December 2025 Sun | Overcast |
6.1 ° C | 9.8 ° C | 8.4 ° C | % 81 | 16.6 km/h | 0% |
| 22 December 2025 Mon | Partly Cloudy |
3.8 ° C | 9.2 ° C | 6.4 ° C | % 76 | 12.2 km/h | 0% |
| 23 December 2025 Tue | Overcast |
5.4 ° C | 9 ° C | 6.6 ° C | % 85 | 12.6 km/h | 0% |
| 24 December 2025 Wed | Partly Cloudy |
4.8 ° C | 9.6 ° C | 6.3 ° C | % 78 | 14.4 km/h | 0% |
| 25 December 2025 Thu | Sunny |
3.2 ° C | 7.4 ° C | 4.4 ° C | % 75 | 11.9 km/h | 0% |
| 26 December 2025 Fri | Sunny |
1.2 ° C | 5.1 ° C | 2.6 ° C | % 85 | 7.6 km/h | 0% |
| 27 December 2025 Sat | Sunny |
-0.7 ° C | 3.9 ° C | 0.9 ° C | % 79 | 18.7 km/h | 0% |
| 28 December 2025 Sun |  Mist |
-0.7 ° C | 4.7 ° C | 2.2 ° C | % 89 | 19.4 km/h | 0% |
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