Neusiedlersee, Illmitz water temperature

Neusiedlersee, Illmitz, Illmitz · Lake

The current water temperature at Neusiedlersee is 21.0 °C (as of August 24, 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.

21.0 °C

Measured: August 24, 2026 · continuously updated

💧 Water 21.0° · ☀️ Air 19.4° · high today 26.6°

Temperature trend of recent weeks

Neusiedlersee, Illmitz — Photo: ElliOrtner · CC BY-SA 4.0 · Wikimedia Commons

Water quality

EU classification: good · Visibility depth: 0.3 m

Nearby waters

Neusiedlersee, Mörbisch, Mörbisch am See · 3.0 km away22.2 °C Fertő tó, Fertőrákos · 5.1 km away23.0 °C Neusiedlersee, Rust, Rust · 6.1 km away22.3 °C Badesee Apetlon, Apetlon · 8.1 km away24.9 °C Neusiedlersee, Podersdorf, Podersdorf am See · 13.3 km away20.7 °C

Frequently asked questions

Can you swim at Neusiedlersee right now?
The current water temperature is 21.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Neusiedlersee?
Currently 21.0 °C (updated continuously).

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

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