Cambridge Reservoir, Unnamed Trib 2, near Lexington, Massachusetts · River
The current water temperature at Cambridge Reservoir is 19.2 °C (as of July 17, 2026, source: USGS).
Can you swim at Cambridge Reservoir right now?
The current water temperature is 19.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Cambridge Reservoir?
Currently 19.2 °C (updated continuously).
How warm is at Cambridge Reservoir in July?
In July, the water temperature recently averaged 19.4 °C.