Rhein (Oberwasser) water temperature
Rhein (Oberwasser), Rheinau · River
The current water temperature at Rhein (Oberwasser) is 21.2 °C (as of September 20, 2026, source: BAFU).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
Measurement series & statistics
This measurement series includes 1339 data points since July 22, 2026.
Lowest recorded value: 20.6 °C on September 19, 2026 · highest value: 27.3 °C on August 15, 2026.
In September, temperatures have ranged between 20.6 °C and 23.5 °C.
The current value is 1.0 °C below the September average of this series.
Nearby waters
More measuring points: Rhein (Oberwasser)
Frequently asked questions
Can you swim at Rhein (Oberwasser) right now?
The current water temperature is 21.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Rhein (Oberwasser)?
Currently 21.2 °C (updated continuously).
How warm is at Rhein (Oberwasser) in September?
In September, the water temperature recently averaged 22.2 °C.
When is the water warmest at Rhein (Oberwasser)?
Across the measurement record, August is on average the warmest month (24.9 °C).
