BrrChecker

South Umpqua River at Tiller, Oregon water temperature

South Umpqua River at Tiller, Oregon · River

The current water temperature at South Umpqua River at Tiller is 16.9 °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.

16.9 °C
Measured: September 20, 2026 · continuously updated
💧 Water 16.9° · ☀️ Air 9.3° · high today 24.4°
Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 150 data points since July 22, 2026.

Lowest recorded value: 15.8 °C on September 18, 2026 · highest value: 25.7 °C on July 24, 2026.

In September, temperatures have ranged between 15.8 °C and 21.8 °C.

The current value is 1.1 °C below the September average of this series.

Nearby waters

Frequently asked questions

Can you swim at South Umpqua River at Tiller right now?
The current water temperature is 16.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at South Umpqua River at Tiller?
Currently 16.9 °C (updated continuously).

How warm is at South Umpqua River at Tiller in September?
In September, the water temperature recently averaged 18.0 °C.

When is the water warmest at South Umpqua River at Tiller?
Across the measurement record, July is on average the warmest month (24.7 °C).

Open in the BrrChecker app

← All waters · Warmest rivers today · Water temperature in United States