Water Temperature of the Medina River in San Antonio, TX
Current Water Temperature
Measurement Time: Saturday, January 17, 2026, 12:15 AM CST
Temperature Locations
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Station Name: Medina Rv at San Antonio, TX
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 486 feet
Nearest Address:
16081 Pleasanton Rd
San Antonio, TX 78221
Bexar County
GPS Coordinates: 29.2641276, -98.4908493
Nearby Water Temperatures
Medina River, San Antonio, TX (5.5 mi)San Antonio River, Elmendorf, TX (8.6 mi)
San Antonio River, Runge, TX (53.8 mi)
Jacob's Well Spring, Wimberley, TX (57.6 mi)
Frio River, Concan, TX (74.7 mi)
San Antonio River, Goliad, TX (79.2 mi)
Barton Springs, Austin, TX (81.4 mi)
Nueces River, San Patricio, TX (101.4 mi)
Nueces River, Odem, TX (108.1 mi)
Rincon Bayou Channel, Odem, TX (108.3 mi)
Viola Turning Basin, Corpus Christi, TX (114.3 mi)
Neuces Bay, Corpus Christi, TX (116.2 mi)
Corpus Christi Bay, Portland, TX (120.4 mi)
Corpus Christi Bay, Corpus Christi, TX (120.6 mi)
Lavaca Bay, Port Lavaca, TX (121.6 mi)
Weather for San Antonio, Texas
Current Weather

Five Day Weather Forecast

Sat
H: 51°F
L: 45°F

Sun
H: 60°F
L: 36°F

Mon
H: 63°F
L: 42°F

Tue
H: 52°F
L: 44°F

Wed
H: 50°F
L: 45°F
Air Quality
Nitrogen Dioxide: 6.65 μg/m3
Sulphur Dioxide: 5.05 μg/m3
Ozone: 85 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 6:00 PM
Daylight: 10 hrs 31 mins
Moon Transit: 11:53 AM
Moonset: 5:00 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:23 AM - 1:53 PM
Minor Periods
4:30 PM - 6:00 PM6:21 AM - 7:51 AM
Action Rating: 5 out of 5
Red Flag Warning issued January 17 at 12:05AM CST until January 17 at 8:00PM CST by NWS Austin/San Antonio TX
Effective: Sat January 17, 2026, 12:05 AM
Expires: Sat January 17, 2026, 8:00 PM
...CRITICAL FIRE WEATHER CONDITIONS EXPECTED TODAY... .Gusty north winds and dry air along with increasing fire danger will lead to critical fire weather conditions across all of South Central Texas today. * AFFECTED AREA...All of South Central Texas. * TIMING...From 10 AM this morning to 8 PM CST this evening. * WINDS...North to northeast 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Freeze Warning issued January 16 at 11:55PM CST until January 18 at 9:00AM CST by NWS Austin/San Antonio TX
Effective: Fri January 16, 2026, 11:55 PM
Expires: Sat January 17, 2026, 2:00 PM
* WHAT...Sub-freezing temperatures as low as 26 to 32 degrees are expected. * WHERE...Atascosa, Bexar, Dimmit, Frio, Karnes, Maverick, Wilson, and Zavala Counties. * WHEN...From 2 AM to 9 AM CST Sunday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.
Weather Forecast
Air Quality
Nitrogen Dioxide: 11.85 μg/m3
Sulphur Dioxide: 4.68 μg/m3
Ozone: 72.84 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 6:00 PM
Daylight: 10 hrs 31 mins
Moon Transit: 11:53 AM
Moonset: 5:00 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:23 AM - 1:53 PM
Minor Periods
4:30 PM - 6:00 PM6:21 AM - 7:51 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 32.37 μg/m3
Sulphur Dioxide: 4.59 μg/m3
Ozone: 42.69 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 6:01 PM
Daylight: 10 hrs 32 mins
Moon Transit: 12:45 AM
Moonset: 6:00 PM
Moon Phase: New
Moon Illumination: 2.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:15 AM - 2:45 PM
Minor Periods
5:30 PM - 7:00 PM7:05 AM - 8:35 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 6:02 PM
Daylight: 10 hrs 33 mins
Moon Transit: 1:34 PM
Moonset: 7:01 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:04 PM - 3:34 PM
Minor Periods
6:31 PM - 8:01 PM7:44 AM - 9:14 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 6:02 PM
Daylight: 10 hrs 35 mins
Moon Transit: 2:21 PM
Moonset: 8:01 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
12:18 AM - 2:48 AM1:51 PM - 4:21 PM
Minor Periods
7:31 PM - 9:01 PM8:19 AM - 9:49 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:45 AM
Sunset: 6:03 PM
Daylight: 10 hrs 36 mins
Moon Transit: 3:06 PM
Moonset: 9:00 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%
Best Times for Fishing or Hunting
Major Periods
1:04 AM - 3:34 AM2:36 PM - 5:06 PM
Minor Periods
8:30 PM - 10:00 PM8:50 AM - 10:20 AM
Action Rating: 2 out of 5
