North Fork Bull Run River near Multnomah Falls, Oregon water temperature
North Fork Bull Run River near Multnomah Falls, Oregon · River
The current water temperature at North Fork Bull Run River near Multnomah Falls is 8.8 °C (as of September 20, 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 148 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 0.7 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at North Fork Bull Run River near Multnomah Falls right now?
The current water temperature is 8.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at North Fork Bull Run River near Multnomah Falls?
Currently 8.8 °C (updated continuously).
How warm is at North Fork Bull Run River near Multnomah Falls in September?
In September, the water temperature recently averaged 9.5 °C.
When is the water warmest at North Fork Bull Run River near Multnomah Falls?
Across the measurement record, July is on average the warmest month (11.2 °C).
