Water Temperature of the Medina River in San Antonio, TX

Current Water Temperature

77.2°F

Measurement Time: Wednesday, May 14, 2025, 12:45 AM CDT

Temperature Locations

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Local Points of Interest

Medina River Natural Area

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Medina River

Station Name: Medina Rv nr Somerset, TX
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 528 feet / 161 meters

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 (60.0 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)
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)
Lavaca Bay, Port Lavaca, TX (126.7 mi)

Weather for San Antonio, Texas

Current Weather

73°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 87%
Feels Like: 76.9°F
Wind: SSE 5.8 mph
Wind Gusts: 11.8 mph
Pressure: 29.7 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 101°F
L: 68°F
Mist
Thu
H: 100°F
L: 71°F
Overcast
Fri
H: 96°F
L: 74°F
Partly Cloudy
Sat
H: 103°F
L: 75°F
Partly Cloudy
Sun
H: 103°F
L: 74°F

Air Quality

AQI: 1 - Good
PM2.5: 11.66 μg/m3
PM10: 13.14 μg/m3
Carbon Monoxide: 397.75 μg/m3
Nitrogen Dioxide: 7.59 μg/m3
Sulphur Dioxide: 3.7 μg/m3
Ozone: 111 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:30 PM
Sunset: 8:19 PM
Daylight: 13 hrs 36 mins
Moonrise: 10:35 PM
Moon Transit: 2:42 AM
Moonset: 7:44 AM
Moon Phase: Full
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

2:12 AM - 4:42 AM
1:27 PM - 3:57 PM

Minor Periods

10:05 PM - 11:35 PM
7:14 AM - 8:44 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.


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.


Wednesday, May 14, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 83.6°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 19.7 mph
UV Index: 2.8

Air Quality

AQI: 1 - Good
PM2.5: 10.46 μg/m3
PM10: 11.88 μg/m3
Carbon Monoxide: 368.15 μg/m3
Nitrogen Dioxide: 8.72 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 106.48 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:30 PM
Sunset: 8:19 PM
Daylight: 13 hrs 36 mins
Moonrise: 10:35 PM
Moon Transit: 2:42 AM
Moonset: 7:44 AM
Moon Phase: Full
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

2:12 AM - 4:42 AM
1:27 PM - 3:57 PM

Minor Periods

10:05 PM - 11:35 PM
7:14 AM - 8:44 AM

Action Rating: 3 out of 5

Thursday, May 15, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 83.6°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 19.9 mph
UV Index: 2.8

Air Quality

AQI: 1 - Good
PM2.5: 14.83 μg/m3
PM10: 16.51 μg/m3
Carbon Monoxide: 382.28 μg/m3
Nitrogen Dioxide: 7.05 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 106.8 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:30 PM
Sunset: 8:20 PM
Daylight: 13 hrs 38 mins
Moonrise: 11:28 PM
Moon Transit: 3:34 AM
Moonset: 8:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

3:04 AM - 5:34 AM
2:20 PM - 4:50 PM

Minor Periods

12:00 AM - 12:00 AM
8:04 AM - 9:34 AM

Action Rating: 2 out of 5

Friday, May 16, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 82.6°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 19 mph
UV Index: 2.7

Air Quality

AQI: 2 - Moderate
PM2.5: 16.11 μg/m3
PM10: 17.51 μg/m3
Carbon Monoxide: 308.43 μg/m3
Nitrogen Dioxide: 7.53 μg/m3
Sulphur Dioxide: 2.8 μg/m3
Ozone: 87.72 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:30 PM
Sunset: 8:21 PM
Daylight: 13 hrs 39 mins
Moonrise: 12:28 AM
Moon Transit: 4:28 AM
Moonset: 9:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

3:58 AM - 6:28 AM
3:13 PM - 5:43 PM

Minor Periods

8:59 AM - 10:29 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, May 17, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 86.2°F
Average Humidity: 62%
Chance of Rain: 0%
Wind: 17.7 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 16.68 μg/m3
PM10: 18.25 μg/m3
Carbon Monoxide: 308.65 μg/m3
Nitrogen Dioxide: 6.26 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 84.2 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:30 PM
Sunset: 8:21 PM
Daylight: 13 hrs 40 mins
Moonrise: 12:18 AM
Moon Transit: 5:21 AM
Moonset: 10:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

4:51 AM - 7:21 AM
4:07 PM - 6:37 PM

Minor Periods

9:59 AM - 11:29 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, May 18, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 86.8°F
Average Humidity: 62%
Chance of Rain: 0%
Wind: 20.8 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 15.31 μg/m3
PM10: 17.08 μg/m3
Carbon Monoxide: 342.11 μg/m3
Nitrogen Dioxide: 8.17 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 66.92 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:30 PM
Sunset: 8:22 PM
Daylight: 13 hrs 41 mins
Moonrise: 1:02 AM
Moon Transit: 6:14 AM
Moonset: 11:30 AM
Moon Phase: Last Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

5:44 AM - 8:14 AM
4:58 PM - 7:28 PM

Minor Periods

11:00 AM - 12:30 AM
12:32 AM - 2:02 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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