Cherry C below Valley Dam near Hetch Hetchy, California water temperature

Cherry C below Valley Dam near Hetch Hetchy, California · River

The current water temperature at Cherry C below Valley Dam near Hetch Hetchy is 11.6 °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.

11.6 °C

Measured: September 1, 2026 · continuously updated

💧 Water 11.6° · ☀️ Air 22.3°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 290 data points since July 9, 2026.

Lowest recorded value: 8.1 °C on August 30, 2026 · highest value: 14.4 °C on July 20, 2026.

Nearby waters

Eleanor C near Hetch Hetchy, California · 3.1 km away22.1 °C Cherry C near Early Intake, California · 9.1 km away20.1 °C Cherry C below Dion River Holm Ph near Mather, California · 9.8 km away10.7 °C Tuolumne River above Early Intake near Mather, California · 10.2 km away18.9 °C Tuolumne River below Early Intake near Mather, California · 10.6 km away17.3 °C

Frequently asked questions

Can you swim at Cherry C below Valley Dam near Hetch Hetchy right now?
The current water temperature is 11.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Cherry C below Valley Dam near Hetch Hetchy?
Currently 11.6 °C (updated continuously).

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