Long Tom River near Alvadore, Oregon water temperature
Long Tom River near Alvadore, Oregon · River
The current water temperature at Long Tom River near Alvadore is 20.9 °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.
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Measurement series & statistics
This measurement series includes 436 data points since July 3, 2026.
Lowest recorded value: 19.7 °C on July 5, 2026 · highest value: 24.1 °C on July 25, 2026.
In September, temperatures have ranged between 20.7 °C and 21.0 °C.
Nearby waters
Frequently asked questions
Can you swim at Long Tom River near Alvadore right now?
The current water temperature is 20.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Long Tom River near Alvadore?
Currently 20.9 °C (updated continuously).
How warm is at Long Tom River near Alvadore in September?
In September, the water temperature recently averaged 20.9 °C.
When is the water warmest at Long Tom River near Alvadore?
Across the measurement record, July is on average the warmest month (22.1 °C).
