Calaveras C near Sunol, California water temperature

Calaveras C near Sunol, California · River

The current water temperature at Calaveras C near Sunol is 13.7 °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.

13.7 °C

Measured: September 1, 2026 · continuously updated

💧 Water 13.7° · ☀️ Air 17.6° · high today 19.5°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 447 data points since July 8, 2026.

Lowest recorded value: 12.4 °C on July 27, 2026 · highest value: 17.2 °C on July 24, 2026.

Nearby waters

Alameda C below Calaveras C near Sunol, California · 0.6 km away14.7 °C Alameda C below Div Dam near Sunol, California · 3.5 km away18.5 °C Alameda C above Div Dam near Sunol, California · 4.0 km away23.2 °C Alameda C below Welch C near Sunol, California · 5.4 km away18.4 °C Arroyo Hondo near San Jose, California · 6.2 km away19.0 °C

Frequently asked questions

Can you swim at Calaveras C near Sunol right now?
The current water temperature is 13.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Calaveras C near Sunol?
Currently 13.7 °C (updated continuously).

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