Donau, Achleiten · River
The current water temperature at Donau is 19.1 °C (as of September 1, 2026, source: Hydrographie Land Oberösterreich).
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.
This measurement series includes 832 data points since July 9, 2026.
Lowest recorded value: 17.7 °C on August 26, 2026 · highest value: 23.5 °C on August 5, 2026.
Can you swim at Donau right now?
The current water temperature is 19.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Donau?
Currently 19.1 °C (updated continuously).