Eider water temperature
Eider, Lexfähre Unterwasser · River
The current water temperature at Eider is 17.0 °C (as of September 20, 2026, source: PEGELONLINE).
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 631 data points since July 22, 2026.
Lowest recorded value: 17.0 °C on September 19, 2026 · highest value: 23.6 °C on August 5, 2026.
In September, temperatures have ranged between 17.0 °C and 19.4 °C.
The current value is 1.3 °C below the September average of this series.
Nearby waters
More measuring points: Eider
Frequently asked questions
Can you swim at Eider right now?
The current water temperature is 17.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Eider?
Currently 17.0 °C (updated continuously).
How warm is at Eider in September?
In September, the water temperature recently averaged 18.3 °C.
When is the water warmest at Eider?
Across the measurement record, July is on average the warmest month (21.4 °C).
