Weser water temperature
Weser, Hemeln · River
The current water temperature at Weser is 21.6 °C (as of September 8, 2026, source: NLWKN — pegelonline.nlwkn.niedersachsen.de).
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 1430 data points since July 10, 2026.
Lowest recorded value: 17.3 °C on August 25, 2026 · highest value: 26.4 °C on August 5, 2026.
In September, temperatures have ranged between 17.7 °C and 21.6 °C.
The current value is 2.1 °C above the September average of this series.
Nearby waters
More measuring points: Weser
Frequently asked questions
Can you swim at Weser right now?
The current water temperature is 21.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Weser?
Currently 21.6 °C (updated continuously).
How warm is at Weser in September?
In September, the water temperature recently averaged 19.5 °C.
When is the water warmest at Weser?
Across the measurement record, August is on average the warmest month (21.9 °C).
