Themse water temperature
Themse, Pangbourne · River
The current water temperature at Themse is 18.1 °C (as of September 9, 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 8 data points since July 29, 2026.
Lowest recorded value: 18.1 °C on September 9, 2026 · highest value: 23.6 °C on July 29, 2026.
In September, temperatures have ranged between 18.1 °C and 19.1 °C.
The current value is 0.6 °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 18.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Themse?
Currently 18.1 °C (updated continuously).
How warm is at Themse in September?
In September, the water temperature recently averaged 18.7 °C.
