Isar water temperature

Isar, Lenggries · River

The current water temperature at Isar is 13.8 °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.

13.8 °C

Measured: September 1, 2026 · continuously updated

💧 Water 13.8° · ☀️ Air 13.7° · high today 20.8°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 1005 data points since July 3, 2026.

Lowest recorded value: 12.7 °C on August 23, 2026 · highest value: 20.1 °C on August 3, 2026.

Nearby waters

Isar, Bad Tölz B472 · 7.9 km away15.4 °C Söllbach, Bad Wiessee · 12.5 km away12.4 °C Weißach, Oberach · 14.6 km away10.3 °C Loisach, Beuerberg · 20.5 km away20.3 °C Rißbach, Rißbachklamm · 20.9 km away10.3 °C

More measuring points: Isar

Landau20.8 °C München19.9 °C Landshut-Birket19.7 °C Puppling15.9 °C Bad Tölz B47215.4 °C Mittenwald10.1 °C

Frequently asked questions

Can you swim at Isar right now?
The current water temperature is 13.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Isar?
Currently 13.8 °C (updated continuously).

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