Water Temperature of the Medina River in San Antonio, TX

Current Water Temperature

74.8°F

Measurement Time: Saturday, May 23, 2026, 1:15 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

84°F
Sunny
Sunny
88.6°F
84°F
57%
ENE 7.6 mph
11.3 mph
80.6°F
67.8°F
0 in
0%
9 mi
1011 mbar
0.5

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 82°F
L: 67°F
Sunny
Sun
H: 90°F
L: 66°F
Sunny
Mon
H: 91°F
L: 69°F
Sunny
Tue
H: 90°F
L: 71°F
Heavy rain
Wed
H: 89°F
L: 70°F

Air Quality

AQI: 1 - Good
PM2.5: 5.25 μg/m3
PM10: 5.65 μg/m3
Carbon Monoxide: 138.85 μg/m3
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 48 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:30 PM
Sunset: 8:24 PM
Daylight: 13 hrs 46 mins
Moonrise: 1:41 PM
Moon Transit: 8:12 PM
Moonset: 2:06 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:10 AM - 8:40 AM
7:42 PM - 10:12 PM

Minor Periods

1:11 PM - 2:41 PM
1:36 AM - 3:06 AM

Action Rating: 3 out of 5

Flood Watch issued May 23 at 1:17AM CDT until May 25 at 7:00PM CDT by NWS Austin/San Antonio TX

Effective: Sat May 23, 2026, 1:17 AM
Expires: Mon May 25, 2026, 7:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Texas, including the following counties, Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet, Caldwell, Comal, De Witt, Fayette, Frio, Gillespie, Gonzales, Guadalupe, Hays, Karnes, Kendall, Kerr, Lavaca, Lee, Llano, Medina, Travis, Williamson and Wilson. * WHEN...Through Monday evening. * 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. 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 area. Many locations in the watch area have already received 1 to 3 inches over the past 5 days with a few areas having received over 5 inches. Additional rounds of heavy downpours could create rapid rises in creeks, streams, and rivers. Rainfall amounts of 1 to 3 inches with isolated amounts up to 6 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.


Saturday, May 23, 2026

Weather Forecast

Patchy rain nearby
82°F
66.7°F
75.1°F
83%
0.16 in
88%
0%
15.4 mph
5.6


Air Quality

AQI: 1 - Good
PM2.5: 9.17 μg/m3
PM10: 11.07 μg/m3
Carbon Monoxide: 146.13 μg/m3
Nitrogen Dioxide: 6.33 μg/m3
Sulphur Dioxide: 1.87 μg/m3
Ozone: 52.24 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:30 PM
Sunset: 8:24 PM
Daylight: 13 hrs 46 mins
Moonrise: 1:41 PM
Moon Transit: 8:12 PM
Moonset: 2:06 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:10 AM - 8:40 AM
7:42 PM - 10:12 PM

Minor Periods

1:11 PM - 2:41 PM
1:36 AM - 3:06 AM

Action Rating: 3 out of 5

Sunday, May 24, 2026

Weather Forecast

Sunny
89.5°F
66°F
76.7°F
69%
0 in
0%
0%
12.8 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 5.21 μg/m3
PM10: 5.63 μg/m3
Carbon Monoxide: 134.89 μg/m3
Nitrogen Dioxide: 5.38 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 58.28 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:30 PM
Sunset: 8:25 PM
Daylight: 13 hrs 47 mins
Moonrise: 2:40 PM
Moon Transit: 8:56 PM
Moonset: 2:37 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

6:54 AM - 9:24 AM
8:26 PM - 10:56 PM

Minor Periods

2:10 PM - 3:40 PM
2:07 AM - 3:37 AM

Action Rating: 4 out of 5

Monday, May 25, 2026

Weather Forecast

Sunny
90.7°F
69.2°F
79.7°F
61%
0 in
0%
0%
9.8 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 5.96 μg/m3
PM10: 6.21 μg/m3
Carbon Monoxide: 143.69 μg/m3
Nitrogen Dioxide: 6.41 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 61.2 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:30 PM
Sunset: 8:25 PM
Daylight: 13 hrs 48 mins
Moonrise: 3:36 PM
Moon Transit: 9:38 PM
Moonset: 3:05 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
9:08 PM - 11:38 PM

Minor Periods

3:06 PM - 4:36 PM
2:35 AM - 4:05 AM

Action Rating: 2 out of 5

Tuesday, May 26, 2026

Weather Forecast

Sunny
90.2°F
70.7°F
80.3°F
65%
0 in
0%
0%
12.8 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 7.66 μg/m3
PM10: 8.41 μg/m3
Carbon Monoxide: 142.19 μg/m3
Nitrogen Dioxide: 7.82 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 64.16 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:31 PM
Sunset: 8:26 PM
Daylight: 13 hrs 49 mins
Moonrise: 4:32 PM
Moon Transit: 10:19 PM
Moonset: 3:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
12:00 AM - 12:00 AM

Minor Periods

4:02 PM - 5:32 PM
3:03 AM - 4:33 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Heavy rain
89°F
69.5°F
77.8°F
78%
1.14 in
89%
0%
15.2 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 5.27 μg/m3
PM10: 6.1 μg/m3
Carbon Monoxide: 160.25 μg/m3
Nitrogen Dioxide: 5.9 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 53.15 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

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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