Isoa water temperature

Isoa, Tverråa · River

The current water temperature at Isoa is 13.5 °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.

13.5 °C

Measured: September 1, 2026 · continuously updated

💧 Water 13.5° · ☀️ Air 15.2° · high today 20.6°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 1085 data points since July 3, 2026.

Lowest recorded value: 12.3 °C on August 26, 2026 · highest value: 22.8 °C on July 17, 2026.

Nearby waters

Hæra, Løkkeborg · 32.2 km away14.4 °C Skagerrak, Seläter · 40.5 km away17.6 °C Årungelva, Rustadskogen · 46.3 km away19.4 °C Skagerrak, Koster · 48.7 km away18.4 °C Årungelva, Bølstadbekken · 49.1 km away15.3 °C

Frequently asked questions

Can you swim at Isoa right now?
The current water temperature is 13.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Isoa?
Currently 13.5 °C (updated continuously).

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