Tuolumne River A Modesto, California water temperature

Tuolumne River A Modesto, California · River

The current water temperature at Tuolumne River A Modesto is 25.7 °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.

25.7 °C

Measured: September 1, 2026 · continuously updated

💧 Water 25.7° · ☀️ Air 27.4°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 200 data points since July 9, 2026.

Lowest recorded value: 22.7 °C on August 29, 2026 · highest value: 30.2 °C on July 10, 2026.

Nearby waters

Stanislaus River A Ripon, California · 15.9 km away22.5 °C Stanislaus River A Oakdale, California · 20.3 km away19.7 °C San Joaquin River near Crows Landing, California · 21.8 km away24.7 °C San Joaquin River near Vernalis, California · 25.4 km away25.2 °C San Joaquin River above Merced River near Newman, California · 31.1 km away26.0 °C

Frequently asked questions

Can you swim at Tuolumne River A Modesto right now?
The current water temperature is 25.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Tuolumne River A Modesto?
Currently 25.7 °C (updated continuously).

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