Eleanor C near Hetch Hetchy, California water temperature

Eleanor C near Hetch Hetchy, California · River

The current water temperature at Eleanor C near Hetch Hetchy is 22.1 °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.

22.1 °C

Measured: September 1, 2026 · continuously updated

💧 Water 22.1° · ☀️ Air 22.3°

Temperature trend of recent weeks

Eleanor C near Hetch Hetchy, California — Photo: Diablanco · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 283 data points since July 9, 2026.

Lowest recorded value: 16.3 °C on July 9, 2026 · highest value: 24.8 °C on August 15, 2026.

Nearby waters

Cherry C below Valley Dam near Hetch Hetchy, California · 3.1 km away11.6 °C Tuolumne River near Hetch Hetchy, California · 8.2 km away10.6 °C Cherry C near Early Intake, California · 10.9 km away20.1 °C Tuolumne River above Early Intake near Mather, California · 11.5 km away18.9 °C Cherry C below Dion River Holm Ph near Mather, California · 11.7 km away10.7 °C

Frequently asked questions

Can you swim at Eleanor C near Hetch Hetchy right now?
The current water temperature is 22.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Eleanor C near Hetch Hetchy?
Currently 22.1 °C (updated continuously).

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