What is the current flow on Grand River?

Grand River was running 23 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 04212100. 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 Grand River?

79.9°F (26.6°C) as of Aug 1, 2026, 6:00 PM UTC, at USGS gauge 04212100. Grand 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.

Grand River

Ohio. Streamflow and water-temperature readings from USGS gauges. Running 23 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

cubic feet / second

79.9°F

water temperature (26.6°C)

USGS gauge

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 04212100. Temperature measured Aug 1, 2026, 6:00 PM UTC at gauge 04212100. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Grand River

Gauge	Station	Water temp?
04212100	Grand River near Painesville OH	Yes

Fly fishing rivers →Ohio lakes →

Conditions: USGS NWIS (public domain).