Water Temperature of the Medina River in San Antonio, TX
Current Water Temperature
Measurement Time: Thursday, January 22, 2026, 4:45 AM CST
Temperature Locations
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Local Points of Interest
Medina River Natural AreaStation Name: Medina Rv nr Somerset, TX
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 528 feet
Nearest Address:
Palo Alto Rd
San Antonio, TX 78264
Bexar County
GPS Coordinates: 29.26218286, -98.5814074
Nearby Water Temperatures
Medina River, San Antonio, TX (5.5 mi)San Antonio River, Elmendorf, TX (13.9 mi)
San Antonio River, Runge, TX (58.4 mi)
Jacob's Well Spring, Wimberley, TX (60 mi)
Frio River, Concan, TX (69.4 mi)
San Antonio River, Goliad, TX (83.8 mi)
Barton Springs, Austin, TX (84.5 mi)
Nueces River, San Patricio, TX (103.7 mi)
Nueces River, Odem, TX (110.7 mi)
Rincon Bayou Channel, Odem, TX (111 mi)
Viola Turning Basin, Corpus Christi, TX (117.1 mi)
Neuces Bay, Corpus Christi, TX (119.1 mi)
Corpus Christi Bay, Corpus Christi, TX (123.6 mi)
Corpus Christi Bay, Portland, TX (123.7 mi)
Aransas Bay, Rockport, TX (126.5 mi)
Weather for San Antonio, Texas
Current Weather

Five Day Weather Forecast

Thu
H: 79°F
L: 50°F

Fri
H: 73°F
L: 62°F

Sat
H: 62°F
L: 37°F

Sun
H: 40°F
L: 28°F

Mon
H: 46°F
L: 25°F
Air Quality
Nitrogen Dioxide: 10.35 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 88 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 6:04 PM
Daylight: 10 hrs 37 mins
Moon Transit: 3:51 PM
Moonset: 10:00 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%
Best Times for Fishing or Hunting
Major Periods
1:48 AM - 4:18 AM3:21 PM - 5:51 PM
Minor Periods
9:30 PM - 11:00 PM9:21 AM - 10:51 AM
Action Rating: 3 out of 5
Extreme Cold Watch issued January 21 at 12:43PM CST until January 26 at 12:00PM CST by NWS Austin/San Antonio TX
Effective: Wed January 21, 2026, 12:43 PM
Expires: Thu January 22, 2026, 12:00 PM
* WHAT...Dangerously cold wind chills as low as 2 degrees below zero possible. * WHERE...All of south central Texas. * WHEN...From Saturday evening through Monday morning. * IMPACTS...The dangerously cold wind chills as low as 2 degrees below zero could result in hypothermia or frostbite on exposed skin if precautions are not taken. Extreme cold will become life threatening and likely damage unprotected pipes and put livestock at risk.
Dress in layers including a hat, face mask, and gloves if you must go outside.
Winter Storm Watch issued January 21 at 12:21PM CST until January 25 at 12:00PM CST by NWS Austin/San Antonio TX
Effective: Wed January 21, 2026, 12:21 PM
Expires: Thu January 22, 2026, 12:30 PM
* WHAT...Light to moderate accumulations of mainly ice and sleet are likely across the region late Friday night through Sunday morning. In addition, dangerously cold temperatures are expected Saturday night through Monday morning. * WHERE...Northern portions of south central Texas. * WHEN...From late Friday night through Sunday morning. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. Ice accumulation on power lines and tree limbs may cause power outages. Extreme cold will become life threatening and likely damage unprotected pipes and put livestock at risk. * ADDITIONAL DETAILS...Areas across the Hill Country could see wintry precipitation effects as early as Midnight Saturday. Areas along the I-35 Corridor should expect wintry precipitation as early as daybreak Saturday. Areas south and east of I-35 should experience wintry precipitation in the daytime hours Saturday.
Monitor the latest forecasts for updates on this situation. Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.
Winter Storm Watch issued January 22 at 3:56AM CST until January 25 at 12:00PM CST by NWS Austin/San Antonio TX
Effective: Thu January 22, 2026, 3:56 AM
Expires: Thu January 22, 2026, 3:00 PM
* WHAT...Light to moderate accumulations of mainly ice and sleet are likely across the region Saturday morning through Sunday morning. In addition, dangerously cold temperatures are expected Saturday night through Monday morning. * WHERE...Northern portions of south central Texas. * WHEN...From Saturday morning through Sunday morning. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. Ice accumulation on power lines and tree limbs may cause power outages. Extreme cold will become life threatening and likely damage unprotected pipes and put livestock at risk. * ADDITIONAL DETAILS...Areas across the Hill Country could see wintry precipitation effects as early as daybreak Saturday morning. Areas along the I-35 Corridor should expect wintry precipitation as early as Saturday during the day. Areas south and east of I-35 should expect wintry precipitation as early as Saturday evening.
Monitor the latest forecasts for updates on this situation. Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.
Weather Forecast
Air Quality
Nitrogen Dioxide: 19.58 μg/m3
Sulphur Dioxide: 3.64 μg/m3
Ozone: 52.56 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 6:04 PM
Daylight: 10 hrs 37 mins
Moon Transit: 3:51 PM
Moonset: 10:00 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%
Best Times for Fishing or Hunting
Major Periods
1:48 AM - 4:18 AM3:21 PM - 5:51 PM
Minor Periods
9:30 PM - 11:00 PM9:21 AM - 10:51 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 12.15 μg/m3
Sulphur Dioxide: 2.02 μg/m3
Ozone: 52.36 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 6:05 PM
Daylight: 10 hrs 38 mins
Moon Transit: 8:54 AM
Moonset: 11:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%
Best Times for Fishing or Hunting
Major Periods
8:24 AM - 10:54 AM8:24 AM - 10:54 AM
Minor Periods
12:00 AM - 12:00 AM9:50 AM - 11:20 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.41 μg/m3
Sulphur Dioxide: 2.18 μg/m3
Ozone: 46.92 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 6:06 PM
Daylight: 10 hrs 39 mins
Moon Transit: 5:22 PM
Moonset: 12:01 AM
Moon Phase: First Quarter
Moon Illumination: 34.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:52 PM - 7:22 PM
Minor Periods
10:21 AM - 11:51 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.11 μg/m3
Sulphur Dioxide: 2.07 μg/m3
Ozone: 54.2 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 6:07 PM
Daylight: 10 hrs 41 mins
Moon Transit: 6:12 PM
Moonset: 12:03 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%
Best Times for Fishing or Hunting
Major Periods
4:06 AM - 6:36 AM5:42 PM - 8:12 PM
Minor Periods
10:54 AM - 12:24 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.44 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 69.92 μg/m3
Astronomical
Sun Transit: 12:46 AM
Sunset: 6:08 PM
Daylight: 10 hrs 42 mins
Moon Transit: 7:06 PM
Moonset: 1:09 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%
Best Times for Fishing or Hunting
Major Periods
4:57 AM - 7:27 AM6:36 PM - 9:06 PM
Minor Periods
11:33 AM - 1:03 PM12:39 AM - 2:09 AM
Action Rating: 4 out of 5
