Lamar River water temperature
Lamar River, Tower Ranger Station Ynp · River
The current water temperature at Lamar River is 2.8 °C (as of November 6, 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 541 data points since September 7, 2026.
Lowest recorded value: 2.2 °C on October 29, 2026 · highest value: 16.3 °C on September 7, 2026.
In November, temperatures have ranged between 2.3 °C and 6.4 °C.
The current value is 1.5 °C below the November average of this series.
Nearby waters
Frequently asked questions
Can you swim at Lamar River right now?
The current water temperature is 2.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lamar River?
Currently 2.8 °C (updated continuously).
How warm is at Lamar River in November?
In November, the water temperature recently averaged 4.3 °C.
When is the water warmest at Lamar River?
Across the measurement record, September is on average the warmest month (12.1 °C).
