Altenau water temperature

Altenau, Nordborchen · River

The current water temperature at Altenau is 11.2 °C (as of August 31, 2026, source: LANUV NRW).

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.

11.2 °C

Measured: August 31, 2026 · continuously updated

💧 Water 11.2° · ☀️ Air 14.1° · high today 18.2°

Temperature trend of recent weeks

Altenau — Photo: Tsungam · CC BY-SA 4.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 475 data points since July 3, 2026.

Lowest recorded value: 10.3 °C on July 21, 2026 · highest value: 12.8 °C on July 11, 2026.

Nearby waters

Alme, Neuhaus2 · 7.9 km away15.4 °C Heder, Upsprunge · 8.0 km away13.1 °C Lippe, Neuhaus1 · 9.1 km away15.2 °C Boker Kanal, Sande2 · 11.2 km away13.1 °C Lippe, Bentfeld · 11.3 km away14.8 °C

Frequently asked questions

Can you swim at Altenau right now?
The current water temperature is 11.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Altenau?
Currently 11.2 °C (updated continuously).

← All waters