Näsijärvi water temperature

Näsijärvi, Kyrönlahti · Lake

The current water temperature at Näsijärvi is 17.8 °C (as of August 31, 2026, source: official monitoring networks).

Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.

17.8 °C

Measured: August 31, 2026 · continuously updated

💧 Water 17.8° · ☀️ Air 17.1° · high today 19.5°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 59 data points since July 4, 2026.

Lowest recorded value: 16.0 °C on August 20, 2026 · highest value: 22.8 °C on July 12, 2026.

Nearby waters

Längelmävesi, Kangasala · 45.4 km away17.5 °C Kitusjärvi, Virrat · 68.1 km away16.5 °C Pyhäjärvi, Säkylä · 99.6 km away17.7 °C Kuivajärvi, Tammela · 104.6 km away16.8 °C Baltic Sea, Terijoki / Yyterinsannat · 106.2 km away17.2 °C

Frequently asked questions

Can you swim at Näsijärvi right now?
The current water temperature is 17.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Näsijärvi?
Currently 17.8 °C (updated continuously).

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