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LakeQuality

San Antonio River

Texas. Streamflow and water-temperature readings from USGS gauges. Running 410 cfs as of Aug 1, 2026, 6:15 PM UTC.

Latest Reading

410
cubic feet / second
88.3°F
water temperature (31.3°C)
10
USGS gauges

Flow measured Aug 1, 2026, 6:15 PM UTC at gauge 08188570. Temperature measured Aug 1, 2026, 6:30 PM UTC at gauge 08181800. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on San Antonio River

GaugeStationWater temp?
08178000San Antonio Rv at San Antonio, TX
08178050San Antonio Rv at Mitchell St, San Antonio, TX
08178565San Antonio Rv at Loop 410, San Antonio, TX
08181725San Antonio Rv nr Braunig Lk nr Elmendorf, TX
08181800San Antonio Rv nr Elmendorf, TXYes
08183200San Antonio Rv nr Floresville, TX
08183500San Antonio Rv nr Falls City, TX
08188060San Antonio Rv at SH 72 nr Runge, TXYes
08188500San Antonio Rv at Goliad, TXYes
08188570San Antonio Rv nr McFaddin, TX

Conditions: USGS NWIS (public domain).