Manumuskin River, Cumberland, New Jersey · River
The current water temperature at Manumuskin River is 19.8 °C (as of September 21, 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 158 data points since July 23, 2026.
Lowest recorded value: 19.0 °C on September 16, 2026 · highest value: 25.6 °C on August 8, 2026.
In September, temperatures have ranged between 19.0 °C and 23.8 °C.
The current value is 1.5 °C below the September average of this series.
Can you swim at Manumuskin River right now?
The current water temperature is 19.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Manumuskin River?
Currently 19.8 °C (updated continuously).
How warm is at Manumuskin River in September?
In September, the water temperature recently averaged 21.3 °C.
When is the water warmest at Manumuskin River?
Across the measurement record, July is on average the warmest month (24.2 °C).