Monongahela River at Lock & Dam 8, at Point Marion, Pennsylvania water temperature
Monongahela River at Lock & Dam 8, at Point Marion, Pennsylvania · River
The current water temperature at Monongahela River at Lock & Dam 8 is 24.2 °C (as of August 29, 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.
24.2 °C
Nearby waters
Frequently asked questions
Can you swim at Monongahela River at Lock & Dam 8 right now?
The current water temperature is 24.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Monongahela River at Lock & Dam 8?
Currently 24.2 °C (updated continuously).
