Columbia River water temperature
Columbia River, Bridgeport, Washington · River
The current water temperature at Columbia River is 18.8 °C (as of September 21, 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 216 data points since July 23, 2026.
Lowest recorded value: 17.0 °C on July 23, 2026 · highest value: 20.3 °C on August 30, 2026.
In September, temperatures have ranged between 18.5 °C and 20.2 °C.
The current value is 0.4 °C below the September average of this series.
Nearby waters
More measuring points: Columbia River
Frequently asked questions
Can you swim at Columbia River right now?
The current water temperature is 18.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Columbia River?
Currently 18.8 °C (updated continuously).
How warm is at Columbia River in September?
In September, the water temperature recently averaged 19.2 °C.
When is the water warmest at Columbia River?
Across the measurement record, September is on average the warmest month (19.2 °C).
