Ramapo River water temperature
Ramapo River, dam at Pompton Lakes, New Jersey · Lake
The current water temperature at Ramapo River is 21.3 °C (as of September 21, 2026, source: USGS).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
Measurement series & statistics
This measurement series includes 97 data points since August 26, 2026.
Lowest recorded value: 21.3 °C on September 21, 2026 · highest value: 25.7 °C on August 26, 2026.
In September, temperatures have ranged between 21.3 °C and 25.4 °C.
The current value is 2.3 °C below the September average of this series.
Nearby waters
More measuring points: Ramapo River
Frequently asked questions
Can you swim at Ramapo River right now?
The current water temperature is 21.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Ramapo River?
Currently 21.3 °C (updated continuously).
How warm is at Ramapo River in September?
In September, the water temperature recently averaged 23.6 °C.
