Eleanor C water temperature
Eleanor C, Hetch Hetchy, California · River
The current water temperature at Eleanor C is 18.3 °C (as of September 21, 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.
Measurement series & statistics
This measurement series includes 273 data points since July 23, 2026.
Lowest recorded value: 18.3 °C on September 21, 2026 · highest value: 24.8 °C on August 15, 2026.
In September, temperatures have ranged between 18.3 °C and 22.4 °C.
The current value is 2.4 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Eleanor C right now?
The current water temperature is 18.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Eleanor C?
Currently 18.3 °C (updated continuously).
How warm is at Eleanor C in September?
In September, the water temperature recently averaged 20.7 °C.
When is the water warmest at Eleanor C?
Across the measurement record, August is on average the warmest month (22.5 °C).
