Viertjern · Lake
The current water temperature at Viertjern is 16.0 °C (as of July 18, 2026, source: official monitoring networks).
Can you swim at Viertjern right now?
The current water temperature is 16.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Viertjern?
Currently 16.0 °C (updated continuously).