Ondřejnice water temperature
Ondřejnice, Rychaltice · River
The current water temperature at Ondřejnice is 16.1 °C (as of September 20, 2026, source: ČHMÚ).
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.
Measurement series & statistics
This measurement series includes 503 data points since July 26, 2026.
Lowest recorded value: 12.2 °C on September 7, 2026 · highest value: 23.7 °C on August 5, 2026.
In September, temperatures have ranged between 12.2 °C and 20.2 °C.
The current value is 0.1 °C above the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Ondřejnice right now?
The current water temperature is 16.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Ondřejnice?
Currently 16.1 °C (updated continuously).
How warm is at Ondřejnice in September?
In September, the water temperature recently averaged 16.0 °C.
When is the water warmest at Ondřejnice?
Across the measurement record, July is on average the warmest month (18.3 °C).
