Water Temperature of the San Antonio River in Elmendorf, TX
Current Water Temperature
Measurement Time: Tuesday, May 13, 2025, 10:30 PM CDT
Temperature Locations
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Local Points of Interest
River Crossing Park; Graytown, TXSponsored Content
Station Name: San Antonio Rv nr Elmendorf, TX
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 423 feet / 129 meters
Nearest Address:
6900 State Loop 1604
Elmendorf, TX 78112
Bexar County
GPS Coordinates: 29.2221853, -98.3558463
Nearby Water Temperatures
Medina River, San Antonio, TX (8.6 mi)Medina River, San Antonio, TX (13.9 mi)
San Antonio River, Runge, TX (45.4 mi)
Jacob's Well Spring, Wimberley, TX (57.8 mi)
San Antonio River, Goliad, TX (70.8 mi)
Barton Springs, Austin, TX (80.0 mi)
Frio River, Concan, TX (83.3 mi)
Nueces River, San Patricio, TX (95.5 mi)
Nueces River, Odem, TX (101.7 mi)
Viola Turning Basin, Corpus Christi, TX (107.7 mi)
Neuces Bay, Corpus Christi, TX (109.6 mi)
Lavaca Bay, Port Lavaca, TX (113.0 mi)
Corpus Christi Bay, Portland, TX (113.2 mi)
Corpus Christi Bay, Corpus Christi, TX (113.7 mi)
San Antonio Bay, Seadrift, TX (114.3 mi)
Weather for Elmendorf, Texas
Current Weather

Humidity: 79%
Feels Like: 80.8°F
Wind: SSW 8.1 mph
Wind Gusts: 16.4 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 103°F
L: 69°F

Thu
H: 103°F
L: 72°F

Fri
H: 98°F
L: 75°F

Sat
H: 102°F
L: 75°F

Sun
H: 102°F
L: 76°F
Air Quality
Nitrogen Dioxide: 4.07 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 87 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:18 PM
Daylight: 13 hrs 36 mins
Moon Transit: 2:41 AM
Moonset: 7:43 AM
Moon Phase: Full
Moon Illumination: 92.3%
Best Times for Fishing or Hunting
Major Periods
2:11 AM - 4:41 AM1:27 PM - 3:57 PM
Minor Periods
10:04 PM - 11:34 PM7:13 AM - 8:43 AM
Action Rating: 3 out of 5
Heat Advisory issued May 13 at 12:53PM CDT until May 14 at 1:00PM CDT by NWS Austin/San Antonio TX
Effective: Tue May 13, 2025, 12:53 PM
Expires: Wed May 14, 2025, 5:00 AM
* WHAT...For the Heat Advisory, air temperatures near 104 degrees, except near 110 along the Rio Grande. For the Extreme Heat Warning, dangerously hot conditions with air temperatures of 105 to 108 degrees, with near 115 degrees along the Rio Grande. * WHERE...A portion of south central Texas. * WHEN...For the Heat Advisory, until 1 PM CDT Wednesday. For the Extreme Heat Warning, from 1 PM to 9 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Extreme Heat Warning issued May 13 at 12:53PM CDT until May 14 at 9:00PM CDT by NWS Austin/San Antonio TX
Effective: Tue May 13, 2025, 12:53 PM
Expires: Wed May 14, 2025, 5:00 AM
* WHAT...For the Heat Advisory, air temperatures near 104 degrees, except near 110 along the Rio Grande. For the Extreme Heat Warning, dangerously hot conditions with air temperatures of 105 to 108 degrees, with near 115 degrees along the Rio Grande. * WHERE...A portion of south central Texas. * WHEN...For the Heat Advisory, until 1 PM CDT Wednesday. For the Extreme Heat Warning, from 1 PM to 9 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Heat Advisory issued May 13 at 12:53PM CDT until May 14 at 1:00PM CDT by NWS Austin/San Antonio TX
Effective: Tue May 13, 2025, 12:53 PM
Expires: Wed May 14, 2025, 5:00 AM
* WHAT...For the Heat Advisory, air temperatures near 104 degrees, except near 110 along the Rio Grande. For the Extreme Heat Warning, dangerously hot conditions with air temperatures of 105 to 108 degrees, with near 115 degrees along the Rio Grande. * WHERE...A portion of south central Texas. * WHEN...For the Heat Advisory, until 1 PM CDT Wednesday. For the Extreme Heat Warning, from 1 PM to 9 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Extreme Heat Warning issued May 13 at 12:53PM CDT until May 14 at 9:00PM CDT by NWS Austin/San Antonio TX
Effective: Tue May 13, 2025, 12:53 PM
Expires: Wed May 14, 2025, 5:00 AM
* WHAT...For the Heat Advisory, air temperatures near 104 degrees, except near 110 along the Rio Grande. For the Extreme Heat Warning, dangerously hot conditions with air temperatures of 105 to 108 degrees, with near 115 degrees along the Rio Grande. * WHERE...A portion of south central Texas. * WHEN...For the Heat Advisory, until 1 PM CDT Wednesday. For the Extreme Heat Warning, from 1 PM to 9 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Heat Advisory issued May 13 at 12:53PM CDT until May 14 at 1:00PM CDT by NWS Austin/San Antonio TX
Effective: Tue May 13, 2025, 12:53 PM
Expires: Wed May 14, 2025, 5:00 AM
* WHAT...For the Heat Advisory, air temperatures near 104 degrees, except near 110 along the Rio Grande. For the Extreme Heat Warning, dangerously hot conditions with air temperatures of 105 to 108 degrees, with near 115 degrees along the Rio Grande. * WHERE...A portion of south central Texas. * WHEN...For the Heat Advisory, until 1 PM CDT Wednesday. For the Extreme Heat Warning, from 1 PM to 9 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Weather Forecast
Average Temperature: 82.2°F
Average Humidity: 72%
Wind: 21 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 3.22 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 104.2 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:18 PM
Daylight: 13 hrs 36 mins
Moon Transit: 2:41 AM
Moonset: 7:43 AM
Moon Phase: Full
Moon Illumination: 92.3%
Best Times for Fishing or Hunting
Major Periods
2:11 AM - 4:41 AM1:27 PM - 3:57 PM
Minor Periods
10:04 PM - 11:34 PM7:13 AM - 8:43 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 83.5°F
Average Humidity: 70%
Wind: 22.6 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 3.26 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 104.08 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:19 PM
Daylight: 13 hrs 37 mins
Moon Transit: 3:33 AM
Moonset: 8:33 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.2%
Best Times for Fishing or Hunting
Major Periods
3:03 AM - 5:33 AM2:21 PM - 4:51 PM
Minor Periods
12:00 AM - 12:00 AM8:03 AM - 9:33 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 82.3°F
Average Humidity: 78%
Wind: 19.9 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 2.89 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 82.84 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:20 PM
Daylight: 13 hrs 39 mins
Moon Transit: 4:27 AM
Moonset: 9:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.3%
Best Times for Fishing or Hunting
Major Periods
3:57 AM - 6:27 AM3:14 PM - 5:44 PM
Minor Periods
8:58 AM - 10:28 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 86.3°F
Average Humidity: 62%
Wind: 20.4 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 4.44 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 68.08 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:20 PM
Daylight: 13 hrs 40 mins
Moon Transit: 5:20 AM
Moonset: 10:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.1%
Best Times for Fishing or Hunting
Major Periods
4:50 AM - 7:20 AM4:07 PM - 6:37 PM
Minor Periods
9:58 AM - 11:28 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 83.4°F
Average Humidity: 71%
Wind: 21.9 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:29 PM
Sunset: 8:21 PM
Daylight: 13 hrs 41 mins
Moon Transit: 6:13 AM
Moonset: 11:29 AM
Moon Phase: Last Quarter
Moon Illumination: 55.0%
Best Times for Fishing or Hunting
Major Periods
5:43 AM - 8:13 AM4:59 PM - 7:29 PM
Minor Periods
10:59 AM - 12:29 AM12:31 AM - 2:01 AM
Action Rating: 2 out of 5