Inn water temperature
Inn, Passau Marienbrücke · River
The current water temperature at Inn is 15.1 °C (as of September 20, 2026, source: GKD Bayern).
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 940 data points since July 22, 2026.
Lowest recorded value: 15.1 °C on September 20, 2026 · highest value: 22.7 °C on August 6, 2026.
In September, temperatures have ranged between 15.1 °C and 19.2 °C.
The current value is 2.8 °C below the September average of this series.
Nearby waters
More measuring points: Inn
Frequently asked questions
Can you swim at Inn right now?
The current water temperature is 15.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Inn?
Currently 15.1 °C (updated continuously).
How warm is at Inn in September?
In September, the water temperature recently averaged 17.9 °C.
When is the water warmest at Inn?
Across the measurement record, August is on average the warmest month (19.7 °C).
