Aare, Thun (temperature) – Water temperature
Current water temperature
18.9°C↓
Measurement time:
Current FOEN data are unchecked raw data and may be corrected later. A recent measurement time does not mean that a value has been validated. FOEN data quality
Current context
Down 0.4 °C over the last 24 hours. 1.2 °C lower than 7 days ago.
Past 30 days at a glance
Very lowMedian of available daily means: 19.9 °C · 30 days in the comparison window.
The current individual value is compared with available daily means from the last 30 completed UTC calendar days. Min. and max. refer to daily means, not individual peaks. A day counts when values exist; gaps can affect its mean. For model series, this compares model values. “High” refers to this short window, not an official danger level or a seasonal normal.
Change across the visible readings
-1.2 °C
09/15 – 09/22
Explore readings with your finger or mouse. Arrow keys also work in the chart.
Over the past 24 hours the value ranged between 18.4 °C and 19.3 °C and fell by 0.4 °C.
Based on 133 available values from Sep 21, 2026, 7:20 PM to Sep 22, 2026, 7:20 PM (Swiss local time). The range describes stored values, not necessarily every peak that occurred.
Understanding readings at Aare, Thun (temperature)
This station is linked to the Lake Thun overview. Its name identifies the location: a station on an inflow or outflow does not necessarily describe the lake’s water level or temperature.
The temperature applies to the stated location and time. A sensor in a tributary does not represent the beach or other depths. Temperature alone says nothing about current, water quality or bathing safety.
Check the time and source first, then the chart and unit. Missing or disrupted readings cannot support a reliable current assessment. A short comparison describes recent changes, not flood probability. Follow official warnings and local instructions for safety decisions.
Other stations on Lake Thun
Station information
- Lake
- Lake Thun
- Location
- Thun
- Canton
- BE
- Measured quantities
- Water level, Discharge, Water temperature
- Station number
- 2030
- Coordinates
- 46.7646, 7.6118
- Source
- Bundesamt für Umwelt BAFU

