Pepacton Reservoir water temperature
Pepacton Reservoir, Lewbeach, New York · Lake
The current water temperature at Pepacton Reservoir 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 412 data points since July 23, 2026.
Lowest recorded value: 13.5 °C on August 29, 2026 · highest value: 26.3 °C on July 27, 2026.
In September, temperatures have ranged between 14.8 °C and 23.7 °C.
Nearby waters
Frequently asked questions
Can you swim at Pepacton Reservoir 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 Pepacton Reservoir?
Currently 21.3 °C (updated continuously).
How warm is at Pepacton Reservoir in September?
In September, the water temperature recently averaged 21.3 °C.
When is the water warmest at Pepacton Reservoir?
Across the measurement record, July is on average the warmest month (24.2 °C).
