North Fork Bull Run River water temperature
North Fork Bull Run River, Multnomah Falls, Oregon · River
The current water temperature at North Fork Bull Run River is 9.5 °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.
Measurement series & statistics
This measurement series includes 137 data points since July 23, 2026.
Lowest recorded value: 8.6 °C on September 8, 2026 · highest value: 12.1 °C on July 23, 2026.
In September, temperatures have ranged between 8.6 °C and 10.6 °C.
The current value is 0.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at North Fork Bull Run River right now?
The current water temperature is 9.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at North Fork Bull Run River?
Currently 9.5 °C (updated continuously).
How warm is at North Fork Bull Run River in September?
In September, the water temperature recently averaged 9.6 °C.
When is the water warmest at North Fork Bull Run River?
Across the measurement record, July is on average the warmest month (11.2 °C).
