Aare water temperature

Aare, Hagneck · River

The current water temperature at Aare is 20.8 °C (as of September 1, 2026, source: BAFU).

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.

20.8 °C

Measured: September 1, 2026 · continuously updated

💧 Water 20.8° · ☀️ Air 14.9° · high today 24.8°

Temperature trend of recent weeks

Aare — Photo: André Schild · CC BY 2.5 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 1391 data points since July 3, 2026.

Lowest recorded value: 18.9 °C on July 24, 2026 · highest value: 24.3 °C on July 17, 2026.

Nearby waters

Aare, Hagneck · 0.1 km away20.8 °C Bielersee, Strandbad Twann · 4.9 km away22.5 °C Bielersee, Plage La Neuveville · 6.5 km away22.5 °C Bielersee, Strandbad Nidau · 8.7 km away22.5 °C Parkschwimmbad, Lyss · 8.9 km away24.0 °C

More measuring points: Aare

Klingnau24.0 °C Brügg, Aegerten22.5 °C Brugg22.3 °C Freibad Aarau22.3 °C Brugg22.2 °C Hagneck20.8 °C

Frequently asked questions

Can you swim at Aare right now?
The current water temperature is 20.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Aare?
Currently 20.8 °C (updated continuously).

← All waters