Cedar River at Renton, Washington water temperature

Cedar River at Renton, Washington · River

The current water temperature at Cedar River at Renton is 17.6 °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.

17.6 °C

Measured: September 1, 2026 · continuously updated

💧 Water 17.6° · ☀️ Air 22.4°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 257 data points since July 3, 2026.

Lowest recorded value: 13.4 °C on August 3, 2026 · highest value: 20.7 °C on July 23, 2026.

Nearby waters

Duwamish River at Golf Course at Tukwila, Washington · 4.2 km away18.3 °C Cedar River below Diversion near Landsburg, Washington · 20.1 km away13.7 °C Cedar River near Landsburg, Washington · 21.2 km away13.2 °C White River at River Street near Auburn, Washington · 23.1 km away18.3 °C Lake Tapps Diversion at Dieringer, Washington · 27.2 km away13.8 °C

Frequently asked questions

Can you swim at Cedar River at Renton right now?
The current water temperature is 17.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Cedar River at Renton?
Currently 17.6 °C (updated continuously).

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