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N Fork of M Fork Willamette River water temperature

N Fork of M Fork Willamette River, Oakridge, Oregon · River

The current water temperature at N Fork of M Fork Willamette River is 14.0 °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.

14.0 °C
Measured: September 21, 2026 · continuously updated
💧 Water 14.0° · ☀️ Air 11.1° · high today 23.1°
Temperature trend of recent weeks
N Fork of M Fork Willamette River
Photo: Bruce Fingerhood from Springfield, Oregon, US · CC BY 2.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 423 data points since July 23, 2026.

Lowest recorded value: 13.2 °C on September 3, 2026 · highest value: 22.5 °C on July 24, 2026.

In September, temperatures have ranged between 13.2 °C and 18.2 °C.

The current value is 0.7 °C below the September average of this series.

Nearby waters

Frequently asked questions

Can you swim at N Fork of M Fork Willamette River right now?
The current water temperature is 14.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at N Fork of M Fork Willamette River?
Currently 14.0 °C (updated continuously).

How warm is at N Fork of M Fork Willamette River in September?
In September, the water temperature recently averaged 14.7 °C.

When is the water warmest at N Fork of M Fork Willamette River?
Across the measurement record, July is on average the warmest month (19.1 °C).

Open in the BrrChecker app

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