Cambridge Reservoir, Unnamed Trib 3, water temperature
Cambridge Reservoir, Unnamed Trib 3,, Lexington, Massachusetts · River
The current water temperature at Cambridge Reservoir is 14.9 °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 526 data points since September 8, 2026.
Lowest recorded value: 6.6 °C on October 25, 2026 · highest value: 19.6 °C on September 10, 2026.
In November, temperatures have ranged between 6.9 °C and 15.0 °C.
The current value is 3.5 °C above the November average of this series.
Nearby waters
Frequently asked questions
Can you swim at Cambridge Reservoir right now?
The current water temperature is 14.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Cambridge Reservoir?
Currently 14.9 °C (updated continuously).
How warm is at Cambridge Reservoir in November?
In November, the water temperature recently averaged 11.4 °C.
When is the water warmest at Cambridge Reservoir?
Across the measurement record, September is on average the warmest month (16.9 °C).
