Bewolking — 2026
| Month | Braine-l'Alleud | Waterloo | Difference |
|---|---|---|---|
| Jan | 79.1 % | 79.1 % | +0.0 |
| Feb | 79.6 % | 78.6 % | +1.0 |
| Mar | 54.3 % | 55.1 % | -0.8 |
| Apr | 57.9 % | 57.4 % | +0.5 |
| May | 59.3 % | 58.9 % | +0.4 |
| Jun | 64 % | 63.9 % | +0.1 |
| Jul | 42.5 % | 43.2 % | -0.7 |
| Aug |
| 54 % |
| 54.2 % |
| -0.2 |
| Sep | 68 % | 67.6 % | +0.4 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |