Lohjanjärvi water temperature

Lohjanjärvi, Lohja · Lake

The current water temperature at Lohjanjärvi is 17.9 °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.

17.9 °C

Measured: August 31, 2026 · continuously updated

💧 Water 17.9° · ☀️ Air 18.0° · high today 20.1°

Temperature trend of recent weeks

Measurement series & statistics

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

Lowest recorded value: 17.4 °C on August 25, 2026 · highest value: 22.9 °C on July 18, 2026.

Nearby waters

Baltic Sea, Hietaniemi (Helsinki) · 57.4 km away17.3 °C Kuivajärvi, Tammela · 62.1 km away16.8 °C Tuusulanjärvi, Tuusula · 67.6 km away17.5 °C Baltic Sea, Hanko / Bellevue · 67.9 km away16.1 °C Baltic Sea, Naantali · 105.5 km away18.2 °C

Frequently asked questions

Can you swim at Lohjanjärvi right now?
The current water temperature is 17.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Lohjanjärvi?
Currently 17.9 °C (updated continuously).

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