Big Spring Run water temperature
Big Spring Run, Mylin Corners, Pennsylvania · River
The current water temperature at Big Spring Run is 18.0 °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.
Measurement series & statistics
This measurement series includes 139 data points since July 23, 2026.
Lowest recorded value: 13.9 °C on September 8, 2026 · highest value: 23.2 °C on September 2, 2026.
In September, temperatures have ranged between 13.9 °C and 23.2 °C.
Nearby waters
Frequently asked questions
Can you swim at Big Spring Run right now?
The current water temperature is 18.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Big Spring Run?
Currently 18.0 °C (updated continuously).
How warm is at Big Spring Run in September?
In September, the water temperature recently averaged 18.0 °C.
When is the water warmest at Big Spring Run?
Across the measurement record, September is on average the warmest month (18.0 °C).
