Lake Tapps Diversion at Dieringer, Washington water temperature
Lake Tapps Diversion at Dieringer, Washington · River
The current water temperature at Lake Tapps Diversion at Dieringer is 14.2 °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.
Measurement series & statistics
This measurement series includes 283 data points since July 22, 2026.
Lowest recorded value: 10.9 °C on July 22, 2026 · highest value: 15.8 °C on September 18, 2026.
In September, temperatures have ranged between 13.0 °C and 15.8 °C.
The current value is 0.5 °C above the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Lake Tapps Diversion at Dieringer right now?
The current water temperature is 14.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Tapps Diversion at Dieringer?
Currently 14.2 °C (updated continuously).
How warm is at Lake Tapps Diversion at Dieringer in September?
In September, the water temperature recently averaged 13.7 °C.
When is the water warmest at Lake Tapps Diversion at Dieringer?
Across the measurement record, September is on average the warmest month (13.7 °C).
