What is the current flow on Clarion River?

Clarion River was running 713 cubic feet per second as of Aug 1, 2026, 6:30 PM UTC, measured at USGS gauge 03030500. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

What is the water temperature on Clarion River?

65.3°F (18.5°C) as of Aug 1, 2026, 5:45 PM UTC, at USGS gauge 03028500. Clarion River carries no state trout classification, so the trout-stress thresholds do not apply to it — this is a water temperature measurement, not a fishery judgement.

Clarion River

Pennsylvania. Streamflow and water-temperature readings from USGS gauges. Running 713 cfs as of Aug 1, 2026, 6:30 PM UTC.

Latest Reading

713

cubic feet / second

65.3°F

water temperature (18.5°C)

USGS gauges

Flow measured Aug 1, 2026, 6:30 PM UTC at gauge 03030500. Temperature measured Aug 1, 2026, 5:45 PM UTC at gauge 03028500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Clarion River

Gauge	Station	Water temp?
03028500	Clarion River at Johnsonburg, PA	Yes
03029000	Clarion River at Ridgway, PA	—
03029500	Clarion River at Cooksburg, PA	—
03030500	Clarion River near Piney, PA	—

Fly fishing rivers →Pennsylvania trout water →Pennsylvania lakes →

Conditions: USGS NWIS (public domain).