Lake Lucerne water temperature

Lake Lucerne, Strandbad Buochs-Ennetbürgen · Lido

The current water temperature at Lake Lucerne is 20.0 °C (as of September 20, 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.

20.0 °C

Measured: September 20, 2026 · continuously updated

💧 Water 20.0° · ☀️ Air 20.2°

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 31 data points since July 23, 2026.

Lowest recorded value: 20.0 °C on September 17, 2026 · highest value: 26.0 °C on July 30, 2026.

In September, temperatures have ranged between 20.0 °C and 23.0 °C.

The current value is 1.5 °C below the September average of this series.

Nearby waters

Engelberger Aa, Buochs, Flugplatz · 1.3 km away11.4 °C Lake Lucerne, Strandbad Beckenried · 5.1 km away20.0 °C Lake Lucerne, Strandbad Weggis · 5.8 km away20.0 °C Lake Lucerne, Badeplatz Vitznau · 5.9 km away20.0 °C Lake Lucerne, Strandbad Stansstad · 6.3 km away20.0 °C

More measuring points: Lake Lucerne

Lido Luzern21.1 °C Strandbad Küssnacht21.1 °C Badeplatz Vitznau20.0 °C Strandbad Beckenried20.0 °C Strandbad Brunnen20.0 °C Strandbad Flüelen20.0 °C

Frequently asked questions

Can you swim at Lake Lucerne right now?
The current water temperature is 20.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Lake Lucerne?
Currently 20.0 °C (updated continuously).

How warm is at Lake Lucerne in September?
In September, the water temperature recently averaged 21.5 °C.

When is the water warmest at Lake Lucerne?
Across the measurement record, July 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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