Fishtrap Creek, Front Street at Lynden, Washington · River
The current water temperature at Fishtrap Creek is 12.9 °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.
This measurement series includes 183 data points since July 23, 2026.
Lowest recorded value: 12.9 °C on September 21, 2026 · highest value: 18.7 °C on July 24, 2026.
In September, temperatures have ranged between 12.9 °C and 15.8 °C.
The current value is 1.3 °C below the September average of this series.
Can you swim at Fishtrap Creek right now?
The current water temperature is 12.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Fishtrap Creek?
Currently 12.9 °C (updated continuously).
How warm is at Fishtrap Creek in September?
In September, the water temperature recently averaged 14.2 °C.
When is the water warmest at Fishtrap Creek?
Across the measurement record, July is on average the warmest month (16.4 °C).