Chart of year Arnstein / Wern
| Date | Water temperature [°C] | Maximum [°C] | Minimum [°C] |
|---|---|---|---|
| 24.07.2026 | 13.9 | 13.9 | 13.9 |
| 23.07.2026 | 14.5 | 15.2 | 13.9 |
| 22.07.2026 | 14.9 | 15.6 | 14.2 |
| 21.07.2026 | 15.3 | 16.2 | 14.6 |
| 20.07.2026 | 15.4 | 16.2 | 14.6 |
| 19.07.2026 | 16.6 | 18.2 | 14.9 |
| 18.07.2026 | 16.6 | 18.4 | 14.9 |