Siuslaw River near Alma, Oregon water temperature

Siuslaw River near Alma, Oregon · River

The current water temperature at Siuslaw River near Alma is 18.3 °C (as of August 29, 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.

18.3 °C

Measured: August 29, 2026 · continuously updated

💧 Water 18.3° · ☀️ Air 21.9°

Nearby waters

Long Tom River near Noti, Oregon · 20.6 km away17.8 °C Lake Creek at Swisshome, Oregon · 21.0 km away19.5 °C Siuslaw River near Mapleton, Oregon · 26.8 km away21.5 °C Elk Creek at Elkton, Oregon · 32.0 km away18.9 °C Long Tom River near Alvadore, Oregon · 33.5 km away22.1 °C

Frequently asked questions

Can you swim at Siuslaw River near Alma right now?
The current water temperature is 18.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Siuslaw River near Alma?
Currently 18.3 °C (updated continuously).

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