The current water temperature at Alte Donau is 23.6 °C (as of July 6, 2026, source: AGES).
23.6 °C
Measured: July 6, 2026 · continuously updated
Temperature trend of recent weeks
Water quality
EU classification: excellent · Visibility depth: 1.9 m
Frequently asked questions
Can you swim at Alte Donau right now? The current water temperature is 23.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Alte Donau? Currently 23.6 °C (updated continuously).