Santa Ana River water temperature

Santa Ana River, Prado Dam, California · River

The current water temperature at Santa Ana River is 28.0 °C (as of October 7, 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.

28.0 °C

Measured: October 7, 2026 · continuously updated

💧 Water 28.0° · ☀️ Air 25.9°

Nearby waters

Pacific, Laguna Beach · 40.2 km away22.4 °C Pacific, Newport Beach · 40.5 km away22.6 °C Pacific, Huntington Beach · 41.9 km away22.6 °C Pacific, Dana Point / Salt Creek · 46.0 km away22.4 °C Pacific, North Day Use Beach · 47.0 km away22.4 °C

Frequently asked questions

Can you swim at Santa Ana River right now?
The current water temperature is 28.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Santa Ana River?
Currently 28.0 °C (updated continuously).

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