BrrChecker

Nooksack River water temperature

Nooksack River, North Cedarville, Washington · River

The current water temperature at Nooksack 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 11.6° · high today 20.1°
Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 226 data points since July 23, 2026.

Lowest recorded value: 11.9 °C on September 4, 2026 · highest value: 19.4 °C on July 25, 2026.

In September, temperatures have ranged between 11.9 °C and 16.6 °C.

The current value is 0.2 °C below the September average of this series.

Nearby waters

More measuring points: Nooksack River

Frequently asked questions

Can you swim at Nooksack 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 Nooksack River?
Currently 14.0 °C (updated continuously).

How warm is at Nooksack River in September?
In September, the water temperature recently averaged 14.2 °C.

When is the water warmest at Nooksack River?
Across the measurement record, August is on average the warmest month (15.8 °C).

Open in the BrrChecker app

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