Upper Truckee River at South Lake Tahoe, California · River
The current water temperature at Upper Truckee River at South Lake Tahoe is 20.2 °C (as of September 1, 2026, source: USGS).
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.
This measurement series includes 493 data points since July 3, 2026.
Lowest recorded value: 13.4 °C on August 30, 2026 · highest value: 25.2 °C on July 20, 2026.
Can you swim at Upper Truckee River at South Lake Tahoe right now?
The current water temperature is 20.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Upper Truckee River at South Lake Tahoe?
Currently 20.2 °C (updated continuously).