Sieg water temperature

Sieg, Obernetphen · River

The current water temperature at Sieg is 16.1 °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.

16.1 °C

Measured: August 31, 2026 · continuously updated

💧 Water 16.1° · ☀️ Air 12.2° · high today 18.3°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 474 data points since July 3, 2026.

Lowest recorded value: 13.2 °C on July 24, 2026 · highest value: 20.7 °C on August 4, 2026.

Nearby waters

Ferndorfbach, Weidenau2 · 6.5 km away18.0 °C Ferndorfbach, Kreuztal · 10.6 km away16.4 °C Freibad Schinderweiher · 13.0 km away22.5 °C Lahn, Feudingen · 15.3 km away14.3 °C Eder, Muesse · 20.3 km away15.0 °C

More measuring points: Sieg

Eitorf19.6 °C

Frequently asked questions

Can you swim at Sieg right now?
The current water temperature is 16.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Sieg?
Currently 16.1 °C (updated continuously).

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