BrrChecker

Lake Constance water temperature

Lake Constance, Strandbad Iznang · Lido

The current water temperature at Lake Constance is 17.0 °C (as of October 16, 2026, source: official monitoring networks).

Pools and lidos follow their own rules — heated, spring-fed or sun-dependent. Here the operator's on-site report is what counts.

17.0 °C
Measured: October 16, 2026 · continuously updated
💧 Water 17.0° · ☀️ Air 14.2° · high today 17.2°
Temperature trend of recent weeks
Lake Constance
Photo: qwesy qwesy · CC BY 3.0 · Wikimedia Commons

Water quality

EU classification: excellent

Measurement series & statistics

This measurement series includes 312 data points since September 5, 2026.

Lowest recorded value: 17.0 °C on October 15, 2026 · highest value: 23.0 °C on September 5, 2026.

In October, temperatures have ranged between 17.0 °C and 20.0 °C.

The current value is 1.9 °C below the October average of this series.

Nearby waters

Lake Constance, Strandbad Moos · 1.6 km away17.0 °CLake Constance, Strandbad Mettnau, Radolfzell · 2.6 km away17.0 °CLake Constance, Strandbad Horn, Gaienhofen · 4.0 km away17.0 °CLake Constance, Badi Berlingen · 5.9 km away17.0 °CLake Constance, Strandbad Steckborn · 6.3 km away17.0 °C

More measuring points: Lake Constance

Bregenz (Bodensee)17.6 °CAlte Badi Horn17.5 °CAquastaad, Immenstaad17.5 °CBadi Altnau17.5 °CBadi Güttingen17.5 °CBadi Uttwil17.5 °C

Frequently asked questions

Can you swim at Lake Constance right now?
The current water temperature is 17.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Lake Constance?
Currently 17.0 °C (updated continuously).

How warm is at Lake Constance in October?
In October, the water temperature recently averaged 18.9 °C.

How is the water quality at Lake Constance?
The official classification is: excellent.

Open in the BrrChecker app

← All waters · Water temperature in Germany