Bewolking — 2026
| Month | Olen | Westerlo | Difference |
|---|---|---|---|
| Jan | 77 % | 76.7 % | +0.3 |
| Feb | 78.2 % | 78.3 % | -0.1 |
| Mar | 53.3 % | 51.8 % | +1.5 |
| Apr | 58.6 % | 58.5 % | +0.1 |
| May | 60.1 % | 59.7 % | +0.4 |
| Jun | 62.3 % | 62.4 % | -0.1 |
| Jul | 45.7 % | 46.2 % | -0.5 |
| Aug |
| 54.1 % |
| 54 % |
| +0.1 |
| Sep | 70.3 % | 69.4 % | +0.9 |
| Oct | 61.1 % | 58.8 % | +2.3 |
| Nov | – | – | – |
| Dec | – | – | – |