Chart of year Arnstein / Wern
| Date | Water temperature [°C] | Maximum [°C] | Minimum [°C] |
|---|---|---|---|
| 23.07.2026 | 14.3 | 14.6 | 14.1 |
| 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 |
| 17.07.2026 | 16.8 | 17.7 | 16.2 |