Bewolking — 2026
| Month | Herstal | Oupeye | Difference |
|---|---|---|---|
| Jan | 80.5 % | 79.6 % | +0.9 |
| Feb | 80.2 % | 79 % | +1.2 |
| Mar | 52.5 % | 52.1 % | +0.4 |
| Apr | 57.5 % | 58.1 % | -0.6 |
| May | 58.8 % | 58.8 % | +0.0 |
| Jun | 60.8 % | 60.8 % | +0.0 |
| Jul | 46.4 % | 46.4 % | +0.0 |
| Aug |
| 54.5 % |
| 54.5 % |
| +0.0 |
| Sep | 68.4 % | 68.2 % | +0.2 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |