West Branch Lackawaxen River at Prompton, Pennsylvania water temperature
West Branch Lackawaxen River at Prompton, Pennsylvania · River
The current water temperature at West Branch Lackawaxen River at Prompton is 19.8 °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 160 data points since July 23, 2026.
Lowest recorded value: 19.2 °C on September 19, 2026 · highest value: 24.5 °C on September 4, 2026.
In September, temperatures have ranged between 19.2 °C and 24.5 °C.
The current value is 1.6 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at West Branch Lackawaxen River at Prompton 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 West Branch Lackawaxen River at Prompton?
Currently 19.8 °C (updated continuously).
How warm is at West Branch Lackawaxen River at Prompton in September?
In September, the water temperature recently averaged 21.4 °C.
When is the water warmest at West Branch Lackawaxen River at Prompton?
Across the measurement record, July is on average the warmest month (22.2 °C).
