Donau Altarm, Greifenstein water temperature

Donau Altarm, Greifenstein, Sankt Andrä-Wördern · Lake

The current water temperature at Donau Altarm is 22.9 °C (as of August 19, 2026, source: AGES).

Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.

22.9 °C

Measured: August 19, 2026 · continuously updated

💧 Water 22.9° · ☀️ Air 17.0° · high today 25.1°

Temperature trend of recent weeks

Donau Altarm, Greifenstein — Photo: C.Stadler/Bwag · CC BY-SA 3.0 · Wikimedia Commons

Water quality

EU classification: good · Visibility depth: 2.0 m

Nearby waters

Weidlingbach, Klosterneuburg (Prägarten) · 8.6 km away22.4 °C Badeteich Seeschlacht, Langenzersdorf, Langenzersdorf · 10.4 km away26.0 °C Neue Donau, Höhe Segelhafen, Wien (Floridsdorf) · 11.6 km away21.7 °C Aubad, Tulln, Tulln · 12.5 km away24.3 °C Neue Donau, Höhe Grundwasserwerk, Wien (Floridsdorf) · 13.4 km away22.2 °C

Frequently asked questions

Can you swim at Donau Altarm right now?
The current water temperature is 22.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Donau Altarm?
Currently 22.9 °C (updated continuously).

How is the water quality at Donau Altarm?
The official classification is: good.

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