Santa Margarita River near Temecula, California water temperature

Santa Margarita River near Temecula, California · River

The current water temperature at Santa Margarita River near Temecula is 26.0 °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.

26.0 °C

Measured: September 1, 2026 · continuously updated

💧 Water 26.0° · ☀️ Air 28.5° · high today 30.7°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 141 data points since July 3, 2026.

Lowest recorded value: 23.1 °C on July 3, 2026 · highest value: 26.8 °C on August 29, 2026.

Nearby waters

Pacific, Oceanside · 38.6 km away24.4 °C Pacific, Red Beach Nearshore, CA (264) · 39.0 km away24.6 °C Pacific, Carlsbad · 41.1 km away25.4 °C Pacific, Trestles (San Onofre) · 42.7 km away24.7 °C Pacific, San Clemente · 44.8 km away25.8 °C

Frequently asked questions

Can you swim at Santa Margarita River near Temecula right now?
The current water temperature is 26.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Santa Margarita River near Temecula?
Currently 26.0 °C (updated continuously).

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