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Middle Fork Willamette River near Dexter, Oregon water temperature

Middle Fork Willamette River near Dexter, Oregon · River

The current water temperature at Middle Fork Willamette River near Dexter is 18.2 °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.

18.2 °C
Measured: September 20, 2026 · continuously updated
💧 Water 18.2° · ☀️ Air 10.4° · high today 23.3°
Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 451 data points since July 22, 2026.

Lowest recorded value: 15.8 °C on July 22, 2026 · highest value: 19.9 °C on August 30, 2026.

In September, temperatures have ranged between 17.8 °C and 19.9 °C.

The current value is 0.3 °C below the September average of this series.

Nearby waters

Frequently asked questions

Can you swim at Middle Fork Willamette River near Dexter right now?
The current water temperature is 18.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Middle Fork Willamette River near Dexter?
Currently 18.2 °C (updated continuously).

How warm is at Middle Fork Willamette River near Dexter in September?
In September, the water temperature recently averaged 18.5 °C.

When is the water warmest at Middle Fork Willamette River near Dexter?
Across the measurement record, September is on average the warmest month (18.5 °C).

Open in the BrrChecker app

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