What is the current flow on Delaware River?

Delaware River was running 6,110 cubic feet per second as of Aug 1, 2026, 6:30 PM UTC, measured at USGS gauge 01438500. 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 Delaware River?

73.8°F (23.2°C) as of Aug 1, 2026, 6:30 PM UTC, at USGS gauge 01434000. Delaware 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.

Delaware River

Pennsylvania. Streamflow and water-temperature readings from USGS gauges. Running 6,110 cfs as of Aug 1, 2026, 6:30 PM UTC.

Latest Reading

6,110

cubic feet / second

73.8°F

water temperature (23.2°C)

USGS gauges

Flow measured Aug 1, 2026, 6:30 PM UTC at gauge 01438500. Temperature measured Aug 1, 2026, 6:30 PM UTC at gauge 01434000. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Delaware River

Gauge	Station	Water temp?
01427207	DELAWARE RIVER AT LORDVILLE NY	Yes
01427510	DELAWARE RIVER AT CALLICOON NY	Yes
01432160	DELAWARE RIVER AT BARRYVILLE NY	Yes
01434000	DELAWARE RIVER AT PORT JERVIS NY	Yes
01438500	Delaware River at Montague NJ	Yes
01467200	Delaware River at Penn's Landing, Philadelphia, PA	Yes

Fly fishing rivers →Pennsylvania trout water →Pennsylvania lakes →

Conditions: USGS NWIS (public domain).