Themse water temperature

Themse, Pangbourne · River

The current water temperature at Themse is 17.6 °C (as of September 23, 2026, source: Environment Agency).

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.

17.6 °C

Measured: September 23, 2026 · continuously updated

💧 Water 17.6° · ☀️ Air 11.8° · high today 14.4°

Temperature trend of recent weeks

Themse — Photo: Andrew Smith · CC BY-SA 2.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 8 data points since August 28, 2026.

Lowest recorded value: 17.3 °C on September 18, 2026 · highest value: 21.1 °C on August 28, 2026.

Nearby waters

Themse, Wallingford · 12.9 km away17.8 °C Themse, Wolvercote · 35.8 km away17.2 °C Frensham Great Pond · 41.9 km away17.9 °C Brent, Hanwell · 51.4 km away15.3 °C Themse, Ham & Kingston · 54.0 km away19.8 °C

More measuring points: Themse

Ham & Kingston19.8 °C Wallingford17.8 °C Wolvercote17.2 °C

Frequently asked questions

Can you swim at Themse right now?
The current water temperature is 17.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Themse?
Currently 17.6 °C (updated continuously).

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