Lake Lucerne water temperature

Lake Lucerne, Strandbad Buochs-Ennetbürgen · Lido

The current water temperature at Lake Lucerne is 21.0 °C (as of September 10, 2026, source: official monitoring networks).

Pools and lidos follow their own rules — heated, spring-fed or sun-dependent. Here the operator's on-site report is what counts.

21.0 °C

Measured: September 10, 2026 · continuously updated

💧 Water 21.0° · ☀️ Air 14.6°

Temperature trend of recent weeks

Lake Lucerne — Photo: Roland Zumbuehl · CC BY-SA 4.0 · Wikimedia Commons

Water quality

EU classification: excellent

Measurement series & statistics

This measurement series includes 32 data points since July 16, 2026.

Lowest recorded value: 21.0 °C on September 10, 2026 · highest value: 26.0 °C on July 30, 2026.

In September, temperatures have ranged between 21.0 °C and 23.0 °C.

The current value is 1.6 °C below the September average of this series.

Nearby waters

Engelberger Aa, Buochs, Flugplatz · 1.3 km away9.2 °C Lake Lucerne, Strandbad Beckenried · 5.1 km away21.0 °C Lake Lucerne, Strandbad Weggis · 5.8 km away21.0 °C Lake Lucerne, Badeplatz Vitznau · 5.9 km away21.0 °C Lake Lucerne, Strandbad Stansstad · 6.3 km away21.0 °C

More measuring points: Lake Lucerne

Lido Luzern21.3 °C Strandbad Küssnacht21.3 °C Badeplatz Vitznau21.0 °C Strandbad Beckenried21.0 °C Strandbad Brunnen21.0 °C Strandbad Flüelen21.0 °C

Frequently asked questions

Can you swim at Lake Lucerne right now?
The current water temperature is 21.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Lake Lucerne?
Currently 21.0 °C (updated continuously).

How warm is at Lake Lucerne in September?
In September, the water temperature recently averaged 22.6 °C.

When is the water warmest at Lake Lucerne?
Across the measurement record, August is on average the warmest month (24.4 °C).

How is the water quality at Lake Lucerne?
The official classification is: excellent.

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