Gradna water temperature
Gradna, Gradna – Samobor · River
The current water temperature at Gradna is 15.0 °C (as of September 20, 2026, source: DHMZ).
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.
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Measurement series & statistics
This measurement series includes 167 data points since August 17, 2026.
Lowest recorded value: 14.4 °C on September 18, 2026 · highest value: 23.7 °C on August 20, 2026.
In September, temperatures have ranged between 14.4 °C and 21.2 °C.
The current value is 3.4 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Gradna right now?
The current water temperature is 15.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Gradna?
Currently 15.0 °C (updated continuously).
How warm is at Gradna in September?
In September, the water temperature recently averaged 18.4 °C.
