Water Temperature of the Medina River in San Antonio, TX

Current Water Temperature

87.1°F

Measurement Time: Tuesday, July 28, 2026, 3:15 PM CDT

Temperature Locations

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Medina River

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

89.1°F
Clear
Clear
96.4°F
97°F
58%
SE 18.8 mph
25.5 mph
89.1°F
72.4°F
0 in
0%
6 mi
1009 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 101°F
L: 75°F
Sunny
Wed
H: 101°F
L: 76°F
Sunny
Thu
H: 102°F
L: 76°F
Sunny
Fri
H: 102°F
L: 75°F
Sunny
Sat
H: 104°F
L: 78°F

Air Quality

AQI: 1 - Good
PM2.5: 11.1 μg/m3
PM10: 17.6 μg/m3
Carbon Monoxide: 101 μg/m3
Nitrogen Dioxide: 2.4 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 60 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 1:40 PM
Sunset: 8:29 PM
Daylight: 13 hrs 37 mins
Moonrise: 8:12 PM
Moon Transit: 12:38 AM
Moonset: 5:48 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:08 AM - 2:38 AM
11:22 AM - 1:52 PM

Minor Periods

7:42 PM - 9:12 PM
5:18 AM - 6:48 AM

Action Rating: 4 out of 5

Heat Advisory issued July 28 at 3:09PM CDT until July 28 at 7:00PM CDT by NWS Corpus Christi TX

Effective: Tue July 28, 2026, 3:09 PM
Expires: Tue July 28, 2026, 7:00 PM

* WHAT...Heat index values up to 109. * WHERE...Bee, Coastal Aransas, Coastal Calhoun, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Duval, Goliad, Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio, Inland San Patricio, Jim Wells, La Salle, Live Oak, McMullen, Victoria, and Webb Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.


Tuesday, July 28, 2026

Weather Forecast

Sunny
101.3°F
75.4°F
88°F
62%
0 in
4%
0%
18.8 mph
11.3


Air Quality

AQI: 1 - Good
PM2.5: 10.36 μg/m3
PM10: 16.42 μg/m3
Carbon Monoxide: 98.83 μg/m3
Nitrogen Dioxide: 2.46 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 54.58 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 1:40 PM
Sunset: 8:29 PM
Daylight: 13 hrs 37 mins
Moonrise: 8:12 PM
Moon Transit: 12:38 AM
Moonset: 5:48 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:08 AM - 2:38 AM
11:22 AM - 1:52 PM

Minor Periods

7:42 PM - 9:12 PM
5:18 AM - 6:48 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
101.4°F
76.4°F
87.4°F
60%
0 in
4%
0%
18.8 mph
11.3


Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 13.03 μg/m3
Carbon Monoxide: 99.58 μg/m3
Nitrogen Dioxide: 2.27 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 57.33 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:40 PM
Sunset: 8:28 PM
Daylight: 13 hrs 35 mins
Moonrise: 8:48 PM
Moon Transit: 1:27 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:57 AM - 3:27 AM
12:10 AM - 2:40 PM

Minor Periods

8:18 PM - 9:48 PM
6:17 AM - 7:47 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
101.5°F
76°F
87.9°F
56%
0 in
2%
0%
17 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 9.82 μg/m3
PM10: 14.23 μg/m3
Carbon Monoxide: 102.21 μg/m3
Nitrogen Dioxide: 2.4 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 59.96 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:40 PM
Sunset: 8:27 PM
Daylight: 13 hrs 34 mins
Moonrise: 9:20 PM
Moon Transit: 2:13 AM
Moonset: 7:45 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:43 AM - 4:13 AM
12:56 AM - 3:26 PM

Minor Periods

8:50 PM - 10:20 PM
7:15 AM - 8:45 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
101.5°F
74.7°F
87.6°F
55%
0 in
2%
0%
15 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 9.68 μg/m3
PM10: 14 μg/m3
Carbon Monoxide: 108.83 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 56.75 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:40 PM
Sunset: 8:27 PM
Daylight: 13 hrs 33 mins
Moonrise: 9:50 PM
Moon Transit: 2:58 AM
Moonset: 8:43 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:28 AM - 4:58 AM
1:39 PM - 4:09 PM

Minor Periods

9:20 PM - 10:50 PM
8:13 AM - 9:43 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
103.8°F
77.6°F
89.4°F
51%
0.02 in
36%
0%
15.2 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 5.83 μg/m3
PM10: 8.21 μg/m3
Carbon Monoxide: 130.75 μg/m3
Nitrogen Dioxide: 3.93 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 27.75 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:40 PM
Sunset: 8:26 PM
Daylight: 13 hrs 32 mins
Moonrise: 10:19 PM
Moon Transit: 3:41 AM
Moonset: 9:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

3:11 AM - 5:41 AM
2:22 PM - 4:52 PM

Minor Periods

9:49 PM - 11:19 PM
9:09 AM - 10:39 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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