Middelharnis water temperature
Middelharnis, meetboei · River
The current water temperature at Middelharnis is 20.2 °C (as of September 1, 2026, source: Rijkswaterstaat).
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.
20.2 °C
Measurement series & statistics
This measurement series includes 873 data points since July 3, 2026.
Lowest recorded value: 19.1 °C on July 3, 2026 · highest value: 25.6 °C on August 14, 2026.
Nearby waters
Frequently asked questions
Can you swim at Middelharnis right now?
The current water temperature is 20.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Middelharnis?
Currently 20.2 °C (updated continuously).
