What is the current flow on San Rafael River?

San Rafael River was running 50 cubic feet per second as of Aug 1, 2026, 6:15 PM UTC, measured at USGS gauge 09328910. 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 San Rafael River?

81.3°F (27.4°C) as of Aug 1, 2026, 6:30 PM UTC, at USGS gauge 09328500. San Rafael 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.

San Rafael River

Utah. Streamflow and water-temperature readings from USGS gauges. Running 50 cfs as of Aug 1, 2026, 6:15 PM UTC.

Latest Reading

cubic feet / second

81.3°F

water temperature (27.4°C)

USGS gauges

Flow measured Aug 1, 2026, 6:15 PM UTC at gauge 09328910. Temperature measured Aug 1, 2026, 6:30 PM UTC at gauge 09328500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on San Rafael River

Gauge	Station	Water temp?
09328000	SAN RAFAEL RIVER NEAR CASTLE DALE, UTAH	—
09328500	SAN RAFAEL RIVER NEAR GREEN RIVER, UT	Yes
09328910	SAN RAFAEL RIVER AT MOUTH NEAR GREEN RIVER, UT	Yes

Fly fishing rivers →Utah lakes →

Conditions: USGS NWIS (public domain).