Alameda C water temperature
Alameda C, Calaveras C near Sunol, California · River
The current water temperature at Alameda C is 14.2 °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 169 data points since July 23, 2026.
Lowest recorded value: 12.8 °C on July 27, 2026 · highest value: 18.0 °C on July 24, 2026.
In September, temperatures have ranged between 12.9 °C and 15.9 °C.
The current value is 0.1 °C above the September average of this series.
Nearby waters
More measuring points: Alameda C
Frequently asked questions
Can you swim at Alameda C right now?
The current water temperature is 14.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Alameda C?
Currently 14.2 °C (updated continuously).
How warm is at Alameda C in September?
In September, the water temperature recently averaged 14.1 °C.
When is the water warmest at Alameda C?
Across the measurement record, July is on average the warmest month (14.6 °C).
