Sultan River below Powerplant near Sultan, Washington water temperature

Sultan River below Powerplant near Sultan, Washington · River

The current water temperature at Sultan River below Powerplant near Sultan is 14.3 °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.

14.3 °C

Measured: September 1, 2026 · continuously updated

💧 Water 14.3° · ☀️ Air 21.3°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 486 data points since July 3, 2026.

Lowest recorded value: 11.5 °C on August 13, 2026 · highest value: 15.4 °C on July 31, 2026.

Nearby waters

Sultan River below Diversion Dam near Sultan, Washington · 5.9 km away13.7 °C Skykomish River near Gold Bar, Washington · 13.5 km away18.4 °C South Fork Sultan River near Sultan, Washington · 14.7 km away13.0 °C Nf Tolt River above Yellow Creek near Carnation, Washington · 21.5 km away14.2 °C North Fork Tolt River near Carnation, Washington · 21.8 km away11.6 °C

Frequently asked questions

Can you swim at Sultan River below Powerplant near Sultan right now?
The current water temperature is 14.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Sultan River below Powerplant near Sultan?
Currently 14.3 °C (updated continuously).

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