Millstone River at Blackwells Mills, New Jersey water temperature
Millstone River at Blackwells Mills, New Jersey · River
The current water temperature at Millstone River at Blackwells Mills is 22.3 °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.
Measurement series & statistics
This measurement series includes 175 data points since July 22, 2026.
Lowest recorded value: 22.1 °C on August 30, 2026 · highest value: 27.7 °C on August 9, 2026.
In September, temperatures have ranged between 22.2 °C and 25.3 °C.
The current value is 1.4 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Millstone River at Blackwells Mills right now?
The current water temperature is 22.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Millstone River at Blackwells Mills?
Currently 22.3 °C (updated continuously).
How warm is at Millstone River at Blackwells Mills in September?
In September, the water temperature recently averaged 23.7 °C.
When is the water warmest at Millstone River at Blackwells Mills?
Across the measurement record, July is on average the warmest month (24.9 °C).
