Stony Brook, Unnamed Tributary 1, water temperature
Stony Brook, Unnamed Tributary 1,, Waltham, Massachusetts · River
The current water temperature at Stony Brook is 17.6 °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 530 data points since September 7, 2026.
Lowest recorded value: 12.3 °C on October 28, 2026 · highest value: 22.3 °C on September 15, 2026.
In November, temperatures have ranged between 12.3 °C and 17.6 °C.
The current value is 4.3 °C above the November average of this series.
Nearby waters
Frequently asked questions
Can you swim at Stony Brook right now?
The current water temperature is 17.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Stony Brook?
Currently 17.6 °C (updated continuously).
How warm is at Stony Brook in November?
In November, the water temperature recently averaged 13.3 °C.
When is the water warmest at Stony Brook?
Across the measurement record, September is on average the warmest month (14.9 °C).
