Themse water temperature
Themse, Wolvercote · River
The current water temperature at Themse is 17.3 °C (as of September 11, 2026, source: official monitoring networks).
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 10 data points since July 29, 2026.
Lowest recorded value: 17.1 °C on September 9, 2026 · highest value: 21.6 °C on July 29, 2026.
In September, temperatures have ranged between 17.1 °C and 17.7 °C.
The current value is 0.1 °C below the September average of this series.
Nearby waters
More measuring points: Themse
Frequently asked questions
Can you swim at Themse right now?
The current water temperature is 17.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Themse?
Currently 17.3 °C (updated continuously).
How warm is at Themse in September?
In September, the water temperature recently averaged 17.4 °C.
