Isinglass River at Rochester Neck Rd, near Dover, New Hampshire · River
The current water temperature at Isinglass River at Rochester Neck Rd is 14.3 °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.
This measurement series includes 116 data points since August 26, 2026.
Lowest recorded value: 14.3 °C on September 20, 2026 · highest value: 28.4 °C on August 31, 2026.
In September, temperatures have ranged between 14.3 °C and 21.0 °C.
The current value is 3.6 °C below the September average of this series.
Can you swim at Isinglass River at Rochester Neck Rd right now?
The current water temperature is 14.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Isinglass River at Rochester Neck Rd?
Currently 14.3 °C (updated continuously).
How warm is at Isinglass River at Rochester Neck Rd in September?
In September, the water temperature recently averaged 17.9 °C.