Chart of year Arnstein / Wern
| Date | Water temperature [°C] | Maximum [°C] | Minimum [°C] |
|---|---|---|---|
| 05.09.2026 | 14.9 | 15.7 | 14.5 |
| 04.09.2026 | 15.0 | 16.0 | 14.3 |
| 03.09.2026 | 14.8 | 15.3 | 14.2 |
| 02.09.2026 | 15.4 | 16.0 | 14.9 |
| 01.09.2026 | 15.7 | 16.5 | 15.1 |
| 31.08.2026 | 15.9 | 16.6 | 15.4 |
| 30.08.2026 | 16.5 | 17.0 | 15.9 |