Isar water temperature

Isar, Landshut-Birket · River

The current water temperature at Isar is 19.7 °C (as of September 1, 2026, source: GKD Bayern).

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.

19.7 °C

Measured: September 1, 2026 · continuously updated

💧 Water 19.7° · ☀️ Air 15.3° · high today 22.8°

Temperature trend of recent weeks

Isar — Photo: GG430 · CC BY 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 1008 data points since July 3, 2026.

Lowest recorded value: 17.4 °C on August 26, 2026 · highest value: 26.0 °C on August 5, 2026.

Nearby waters

kleine Vils, Dietelskirchen · 15.9 km away19.6 °C Amper, Neumühlschwaig · 17.6 km away20.1 °C große Vils, Vilsbiburg · 19.0 km away20.5 °C Abens, Mainburg · 28.7 km away17.1 °C Moosach, Freising · 29.3 km away17.3 °C

More measuring points: Isar

Landau20.8 °C München19.9 °C Puppling15.9 °C Bad Tölz B47215.4 °C Lenggries13.8 °C Mittenwald10.1 °C

Frequently asked questions

Can you swim at Isar right now?
The current water temperature is 19.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Isar?
Currently 19.7 °C (updated continuously).

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