Spruce Run Reservoir water temperature
Spruce Run Reservoir, Clinton, New Jersey · Lake
The current water temperature at Spruce Run Reservoir is 22.5 °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 96 data points since August 26, 2026.
Lowest recorded value: 21.6 °C on August 29, 2026 · highest value: 22.6 °C on September 4, 2026.
In September, temperatures have ranged between 21.6 °C and 22.6 °C.
The current value is 0.5 °C above the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Spruce Run Reservoir right now?
The current water temperature is 22.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Spruce Run Reservoir?
Currently 22.5 °C (updated continuously).
How warm is at Spruce Run Reservoir in September?
In September, the water temperature recently averaged 22.0 °C.
