Water Temperature of the Medina River in San Antonio, TX

Current Water Temperature

78.6°F

Measurement Time: Saturday, June 20, 2026, 9:15 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

75.9°F
Overcast
Overcast
80.8°F
80.5°F
91%
SSE 6.5 mph
10.6 mph
75.7°F
73.9°F
0 in
100%
9 mi
1011 mbar
0

Five Day Weather Forecast

Partly Cloudy
Sun
H: 97°F
L: 75°F
Sunny
Mon
H: 97°F
L: 76°F
Sunny
Tue
H: 96°F
L: 75°F
Sunny
Wed
H: 96°F
L: 74°F
Sunny
Thu
H: 96°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 5 μg/m3
PM10: 5.9 μg/m3
Carbon Monoxide: 115 μg/m3
Nitrogen Dioxide: 4.5 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:35 PM
Sunset: 8:37 PM
Daylight: 14 hrs 1 mins
Moonrise: 1:30 PM
Moon Transit: 7:36 PM
Moonset: 1:07 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
7:06 PM - 9:36 PM

Minor Periods

1:00 PM - 2:30 PM
12:37 AM - 2:07 AM

Action Rating: 2 out of 5

Flood Warning issued June 20 at 11:52AM CDT until June 22 at 12:37AM CDT by NWS Austin/San Antonio TX

Effective: Sat June 20, 2026, 11:52 AM
Expires: Sun June 21, 2026, 6:00 AM

...The National Weather Service in Austin/San Antonio TX has issued a Flood Warning for the following rivers in Texas... Medina River At Hwy 281 affecting Bexar County. * WHAT...Minor flooding is forecast. * WHERE...Medina River at Hwy 281. * WHEN...From this evening to early Monday morning. * IMPACTS...At 20.0 feet, Minor lowland flooding reaches the Farm to Market 1937 bridge floor. * ADDITIONAL DETAILS... - At 11:15 AM CDT Saturday the stage was 6.7 feet. - Bankfull stage is 16.0 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 21.6 feet late tonight. It will then fall below flood stage early tomorrow afternoon. - Flood stage is 20.0 feet. - Flood History...This crest compares to a previous crest of 20.9 feet on 05/24/2015. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued Sunday morning by 600 AM CDT.


Flood Warning issued June 20 at 8:14PM CDT until June 21 at 3:30PM CDT by NWS Austin/San Antonio TX

Effective: Sat June 20, 2026, 8:14 PM
Expires: Sun June 21, 2026, 2:15 PM

...The Flood Warning continues for the following rivers in Texas... Medina River At Hwy 281 affecting Bexar County. * WHAT...Minor flooding is forecast. * WHERE...Medina River at Hwy 281. * WHEN...Until tomorrow afternoon. * IMPACTS...At 20.0 feet, Minor lowland flooding reaches the Farm to Market 1937 bridge floor. * ADDITIONAL DETAILS... - At 7:15 PM CDT Saturday the stage was 16.3 feet. - Bankfull stage is 16.0 feet. - Forecast...The river will rise above flood stage late this evening to 20.7 feet just after midnight tonight. It will then fall below flood stage late tonight to 18.5 feet late tomorrow morning. It will rise to 18.6 feet early tomorrow afternoon. It will then fall again and remain below flood stage. - Flood stage is 20.0 feet. - Flood History...This crest compares to a previous crest of 20.9 feet on 05/24/2015. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued Sunday afternoon by 215 PM CDT.


Sunday, June 21, 2026

Weather Forecast

Partly Cloudy
96.5°F
75.2°F
83.1°F
78%
0 in
13%
0%
16.6 mph
12


Air Quality

AQI: 1 - Good
PM2.5: 5.53 μg/m3
PM10: 6.78 μg/m3
Carbon Monoxide: 114 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 55.63 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:35 PM
Sunset: 8:37 PM
Daylight: 14 hrs 1 mins
Moonrise: 1:30 PM
Moon Transit: 7:36 PM
Moonset: 1:07 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
7:06 PM - 9:36 PM

Minor Periods

1:00 PM - 2:30 PM
12:37 AM - 2:07 AM

Action Rating: 2 out of 5

Monday, June 22, 2026

Weather Forecast

Sunny
96.7°F
76.4°F
85.2°F
68%
0 in
6%
0%
18.1 mph
11.9


Air Quality

AQI: 1 - Good
PM2.5: 7.78 μg/m3
PM10: 10.1 μg/m3
Carbon Monoxide: 107.25 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 51.54 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:36 PM
Sunset: 8:37 PM
Daylight: 14 hrs 1 mins
Moonrise: 2:27 PM
Moon Transit: 8:18 PM
Moonset: 1:35 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

6:17 AM - 8:47 AM
7:48 PM - 10:18 PM

Minor Periods

1:57 PM - 3:27 PM
1:05 AM - 2:35 AM

Action Rating: 3 out of 5

Tuesday, June 23, 2026

Weather Forecast

Sunny
95.9°F
75.2°F
84.6°F
67%
0 in
5%
0%
17.7 mph
11.8


Air Quality

AQI: 1 - Good
PM2.5: 6.14 μg/m3
PM10: 8.73 μg/m3
Carbon Monoxide: 107.45 μg/m3
Nitrogen Dioxide: 2.53 μg/m3
Sulphur Dioxide: 0.87 μg/m3
Ozone: 43.88 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:36 PM
Sunset: 8:37 PM
Daylight: 14 hrs 1 mins
Moonrise: 3:22 PM
Moon Transit: 9:01 PM
Moonset: 2:04 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

6:59 AM - 9:29 AM
8:31 PM - 11:01 PM

Minor Periods

2:52 PM - 4:22 PM
1:34 AM - 3:04 AM

Action Rating: 4 out of 5

Wednesday, June 24, 2026

Weather Forecast

Sunny
96.1°F
73.6°F
83.9°F
63%
0 in
4%
0%
16.6 mph
11.8


Air Quality

AQI: 1 - Good
PM2.5: 13.14 μg/m3
PM10: 19.5 μg/m3
Carbon Monoxide: 129.25 μg/m3
Nitrogen Dioxide: 2.62 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 51.25 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:36 PM
Sunset: 8:37 PM
Daylight: 14 hrs 1 mins
Moonrise: 4:19 PM
Moon Transit: 9:45 PM
Moonset: 2:34 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

7:42 AM - 10:12 AM
9:15 PM - 11:45 PM

Minor Periods

3:49 PM - 5:19 PM
2:04 AM - 3:34 AM

Action Rating: 2 out of 5

Thursday, June 25, 2026

Weather Forecast

Sunny
96.2°F
71.1°F
80.5°F
69%
0 in
5%
0%
15.9 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 13.15 μg/m3
PM10: 19.5 μg/m3
Carbon Monoxide: 116.5 μg/m3
Nitrogen Dioxide: 3.84 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 35.88 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:36 PM
Sunset: 8:37 PM
Daylight: 14 hrs 1 mins
Moonrise: 5:16 PM
Moon Transit: 10:31 PM
Moonset: 3:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

8:27 AM - 10:57 AM
12:00 AM - 12:00 AM

Minor Periods

4:46 PM - 6:16 PM
2:37 AM - 4:07 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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