Alna water temperature

Alna, Kvernerbyen · River

The current water temperature at Alna is 14.6 °C (as of September 1, 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.

14.6 °C

Measured: September 1, 2026 · continuously updated

💧 Water 14.6° · ☀️ Air 14.4° · high today 18.8°

Temperature trend of recent weeks

Alna — Photo: This media was created as part of Wikimedia Norway's drone project · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 1106 data points since July 3, 2026.

Lowest recorded value: 12.7 °C on July 8, 2026 · highest value: 18.7 °C on July 17, 2026.

In September, temperatures have ranged between 14.6 °C and 14.7 °C.

Nearby waters

Akerselva, Elvebakken · 2.7 km away18.2 °C Frognerbekken, Frognerparken · 5.6 km away15.6 °C Hoffselva · 6.7 km away16.4 °C Mærradalsbekken · 7.3 km away12.5 °C Lysakerelva, Lysaker Mølle · 8.7 km away17.3 °C

Frequently asked questions

Can you swim at Alna right now?
The current water temperature is 14.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Alna?
Currently 14.6 °C (updated continuously).

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