Water Temperature of the Medina River in San Antonio, TX

Current Water Temperature

77.0°F

Measurement Time: Tuesday, May 26, 2026, 7:15 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

66°F
Clear
Clear
66°F
67.9°F
90%
NW 14.5 mph
23.9 mph
67.8°F
63.8°F
0 in
0%
9 mi
1009 mbar
0

Five Day Weather Forecast

Heavy rain
Wed
H: 84°F
L: 67°F
Sunny
Thu
H: 89°F
L: 68°F
Partly Cloudy
Fri
H: 92°F
L: 71°F
Partly Cloudy
Sat
H: 92°F
L: 74°F
Patchy rain nearby
Sun
H: 88°F
L: 74°F

Air Quality

PM2.5: 5.65 μg/m3
PM10: 6.55 μg/m3
Carbon Monoxide: 125.85 μg/m3
Nitrogen Dioxide: 6.25 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:31 PM
Sunset: 8:27 PM
Daylight: 13 hrs 50 mins
Moonrise: 5:27 PM
Moon Transit: 11:02 PM
Moonset: 4:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

9:01 AM - 11:31 AM
12:00 AM - 12:00 AM

Minor Periods

4:57 PM - 6:27 PM
3:32 AM - 5:02 AM

Action Rating: 2 out of 5

Flood Watch issued May 26 at 11:09AM CDT until May 27 at 8:00AM CDT by NWS Austin/San Antonio TX

Effective: Tue May 26, 2026, 11:09 AM
Expires: Wed May 27, 2026, 8:00 AM

* WHAT...Flooding and flash flooding caused by excessive rainfall is possible. * WHERE...A portion of south central Texas, including the following counties, Bandera, Bexar, Blanco, Burnet, Comal, Edwards, Gillespie, Hays, Kendall, Kerr, Kinney, Llano, Medina, Real, Travis, Uvalde, Val Verde and Williamson. * WHEN...From 4 PM CDT this afternoon through Wednesday morning. * IMPACTS...There is a potential for life threatening flooding somewhere in the watch area. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Showers and thunderstorms will be capable of producing high rainfall rates which could quickly lead to flooding across the watch area. Be especially cautious as creeks, streams, and rivers may rise out of their banks quickly. Rainfall amounts of 1 to 3 inches with isolated amounts up to 5 inches are possible for the duration of the Flood Watch. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Flood Advisory issued May 26 at 6:20PM CDT until May 26 at 9:30PM CDT by NWS Austin/San Antonio TX

Effective: Tue May 26, 2026, 6:20 PM
Expires: Tue May 26, 2026, 9:30 PM

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Texas, including the following counties, Atascosa and Frio. * WHEN...Until 930 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry creeks. Dangerous flows over low-water crossings. * ADDITIONAL DETAILS... - At 619 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 2 and 3 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Pleasanton, Pearsall, Jourdanton, Charlotte, Christine, North Pearsall, Goldfinch, Schattel, Derby, Davis, Hindes and Dobrowolski. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life.


Severe Thunderstorm Watch issued May 26 at 3:39PM CDT until May 26 at 9:00PM CDT by NWS Austin/San Antonio TX

Effective: Tue May 26, 2026, 3:39 PM
Expires: Tue May 26, 2026, 9:00 PM

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 244 TO INCLUDE THE FOLLOWING AREAS UNTIL 9 PM CDT THIS EVENING IN TEXAS THIS WATCH INCLUDES 1 COUNTY IN SOUTH CENTRAL TEXAS ATASCOSA THIS INCLUDES THE CITIES OF PLEASANTON.


Severe Thunderstorm Watch issued May 26 at 3:39PM CDT until May 26 at 9:00PM CDT by NWS Austin/San Antonio TX

Effective: Tue May 26, 2026, 3:39 PM
Expires: Tue May 26, 2026, 9:00 PM

SEVERE THUNDERSTORM WATCH 244 REMAINS VALID UNTIL 9 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN TEXAS THIS WATCH INCLUDES 14 COUNTIES IN SOUTH CENTRAL TEXAS BANDERA DIMMIT EDWARDS FRIO GILLESPIE KERR KINNEY LLANO MAVERICK MEDINA REAL UVALDE VAL VERDE ZAVALA THIS INCLUDES THE CITIES OF BANDERA, BRACKETTVILLE, CARRIZO SPRINGS, CRYSTAL CITY, DEL RIO, EAGLE PASS, FREDERICKSBURG, HONDO, KERRVILLE, LEAKEY, LLANO, PEARSALL, ROCKSPRINGS, AND UVALDE.


Wednesday, May 27, 2026

Weather Forecast

Heavy rain
83.9°F
66.9°F
74°F
73%
0.9 in
74%
0%
14.5 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 5.84 μg/m3
PM10: 6.99 μg/m3
Carbon Monoxide: 131.89 μg/m3
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 58.56 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:31 PM
Sunset: 8:27 PM
Daylight: 13 hrs 50 mins
Moonrise: 5:27 PM
Moon Transit: 11:02 PM
Moonset: 4:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

9:01 AM - 11:31 AM
12:00 AM - 12:00 AM

Minor Periods

4:57 PM - 6:27 PM
3:32 AM - 5:02 AM

Action Rating: 2 out of 5

Thursday, May 28, 2026

Weather Forecast

Sunny
89.1°F
67.5°F
77.6°F
69%
0 in
0%
0%
8.7 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 4.81 μg/m3
Carbon Monoxide: 138.05 μg/m3
Nitrogen Dioxide: 5.07 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 59.64 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:31 PM
Sunset: 8:27 PM
Daylight: 13 hrs 51 mins
Moonrise: 6:24 PM
Moon Transit: 11:47 PM
Moonset: 4:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

9:44 AM - 12:14 AM
12:00 AM - 12:00 AM

Minor Periods

5:54 PM - 7:24 PM
4:02 AM - 5:32 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Partly Cloudy
91.8°F
71.2°F
81.1°F
71%
0 in
0%
0%
12.3 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 6.6 μg/m3
PM10: 7.58 μg/m3
Carbon Monoxide: 140.64 μg/m3
Nitrogen Dioxide: 7.07 μg/m3
Sulphur Dioxide: 1.97 μg/m3
Ozone: 63.72 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:31 PM
Sunset: 8:28 PM
Daylight: 13 hrs 52 mins
Moonrise: 7:21 PM
Moon Transit: 12:00 AM
Moonset: 5:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:30 AM - 1:00 PM

Minor Periods

6:51 PM - 8:21 PM
4:36 AM - 6:06 AM

Action Rating: 3 out of 5

Saturday, May 30, 2026

Weather Forecast

Partly Cloudy
91.7°F
73.5°F
81.8°F
71%
0 in
0%
0%
13.2 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 7.41 μg/m3
PM10: 8.33 μg/m3
Carbon Monoxide: 148.64 μg/m3
Nitrogen Dioxide: 8.46 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 55.62 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:31 PM
Sunset: 8:28 PM
Daylight: 13 hrs 52 mins
Moonrise: 8:18 PM
Moon Transit: 12:34 AM
Moonset: 5:44 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
11:18 AM - 1:48 PM

Minor Periods

7:48 PM - 9:18 PM
5:14 AM - 6:44 AM

Action Rating: 4 out of 5

Sunday, May 31, 2026

Weather Forecast

Patchy rain nearby
88.3°F
73.5°F
79.5°F
75%
0.07 in
64%
0%
14.3 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:31 PM
Sunset: 8:29 PM
Daylight: 13 hrs 53 mins
Moonrise: 9:13 PM
Moon Transit: 1:23 AM
Moonset: 6:27 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:53 AM - 3:23 AM
12:08 AM - 2:38 PM

Minor Periods

8:43 PM - 10:13 PM
5:57 AM - 7:27 AM

Action Rating: 4 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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