Oester water temperature
Oester, Oestertalsperre_Zu · River
The current water temperature at Oester is 15.2 °C (as of August 31, 2026, source: LANUV NRW).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
15.2 °C
Measurement series & statistics
This measurement series includes 474 data points since July 3, 2026.
Lowest recorded value: 12.1 °C on July 21, 2026 · highest value: 18.0 °C on August 5, 2026.
Nearby waters
Frequently asked questions
Can you swim at Oester right now?
The current water temperature is 15.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Oester?
Currently 15.2 °C (updated continuously).
