Water Temperature of the Medina River in San Antonio, TX

Current Water Temperature

66.4°F

Measurement Time: Saturday, January 31, 2026, 1:15 AM CST

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

39°F
Sunny
Sunny
30.6°F
34.7°F
62%
NE 15 mph
20.4 mph
26.1°F
21.2°F
0 in
0%
9 mi
1033 mbar
0.2

Five Day Weather Forecast

Sunny
Sat
H: 55°F
L: 34°F
Sunny
Sun
H: 55°F
L: 28°F
Overcast
Mon
H: 64°F
L: 40°F
Patchy rain nearby
Tue
H: 70°F
L: 59°F
Partly Cloudy
Wed
H: 69°F
L: 54°F

Air Quality

AQI: 1 - Good
PM2.5: 5.65 μg/m3
PM10: 5.65 μg/m3
Carbon Monoxide: 202.85 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 3.25 μg/m3
Ozone: 79 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:47 AM
Sunset: 6:12 PM
Daylight: 10 hrs 49 mins
Moonrise: 5:02 PM
Moon Transit: 12:00 AM
Moonset: 6:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:04 AM - 12:34 AM

Minor Periods

4:32 PM - 6:02 PM
6:04 AM - 7:34 AM

Action Rating: 4 out of 5

Cold Weather Advisory issued January 30 at 10:35AM CST until January 31 at 10:00AM CST by NWS Austin/San Antonio TX

Effective: Fri January 30, 2026, 10:35 AM
Expires: Sat January 31, 2026, 10:00 AM

* WHAT...Very cold wind chills as low as 13-20 expected. * WHERE...Atascosa, Bandera, Bexar, De Witt, Karnes, and Wilson Counties. * WHEN...From 3 AM to 10 AM CST Saturday. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Cold Weather Advisory issued January 30 at 10:35AM CST until January 31 at 10:00AM CST by NWS Austin/San Antonio TX

Effective: Fri January 30, 2026, 10:35 AM
Expires: Sat January 31, 2026, 10:00 AM

* WHAT...Very cold wind chills as low as 13-20 expected. * WHERE...The Hill Country, I-35 Corridor,and Coastal Plains * WHEN...From 3 AM to 10 AM CST Saturday. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.
Saturday, January 31, 2026

Weather Forecast

Sunny
54.5°F
33.8°F
41.3°F
47%
0 in
0%
0%
17.9 mph
1.1


Air Quality

AQI: 2 - Moderate
PM2.5: 15.77 μg/m3
PM10: 15.91 μg/m3
Carbon Monoxide: 298.57 μg/m3
Nitrogen Dioxide: 24.88 μg/m3
Sulphur Dioxide: 4.03 μg/m3
Ozone: 48.04 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:47 AM
Sunset: 6:12 PM
Daylight: 10 hrs 49 mins
Moonrise: 5:02 PM
Moon Transit: 12:00 AM
Moonset: 6:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:04 AM - 12:34 AM

Minor Periods

4:32 PM - 6:02 PM
6:04 AM - 7:34 AM

Action Rating: 4 out of 5

Sunday, February 1, 2026

Weather Forecast

Sunny
55.4°F
28°F
41.2°F
47%
0 in
0%
0%
8.5 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 8.73 μg/m3
PM10: 8.99 μg/m3
Carbon Monoxide: 243.57 μg/m3
Nitrogen Dioxide: 14.02 μg/m3
Sulphur Dioxide: 3.37 μg/m3
Ozone: 54.36 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:47 AM
Sunset: 6:13 PM
Daylight: 10 hrs 50 mins
Moonrise: 6:12 PM
Moon Transit: 12:14 AM
Moonset: 7:20 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:02 AM - 1:32 PM

Minor Periods

5:42 PM - 7:12 PM
6:50 AM - 8:20 AM

Action Rating: 3 out of 5

Monday, February 2, 2026

Weather Forecast

Overcast
63.7°F
39.6°F
50.9°F
72%
0 in
0%
0%
10.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 11.04 μg/m3
PM10: 13.15 μg/m3
Carbon Monoxide: 342.25 μg/m3
Nitrogen Dioxide: 19.15 μg/m3
Sulphur Dioxide: 3.43 μg/m3
Ozone: 63.64 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:47 AM
Sunset: 6:14 PM
Daylight: 10 hrs 51 mins
Moonrise: 7:17 PM
Moon Transit: 1:09 AM
Moonset: 7:59 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:39 AM - 3:09 AM
11:54 AM - 2:24 PM

Minor Periods

6:47 PM - 8:17 PM
7:29 AM - 8:59 AM

Action Rating: 4 out of 5

Tuesday, February 3, 2026

Weather Forecast

Patchy rain nearby
70.1°F
59.2°F
63°F
81%
0.01 in
83%
0%
14.3 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 6.57 μg/m3
PM10: 7.67 μg/m3
Carbon Monoxide: 174.05 μg/m3
Nitrogen Dioxide: 7.94 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 77.12 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:47 AM
Sunset: 6:14 PM
Daylight: 10 hrs 53 mins
Moonrise: 8:20 PM
Moon Transit: 2:00 AM
Moonset: 8:33 AM
Moon Phase: Full
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
12:42 AM - 3:12 PM

Minor Periods

7:50 PM - 9:20 PM
8:03 AM - 9:33 AM

Action Rating: 3 out of 5

Wednesday, February 4, 2026

Weather Forecast

Partly Cloudy
68.5°F
54.2°F
58.9°F
63%
0 in
0%
0%
16.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.23 μg/m3
PM10: 8.5 μg/m3
Carbon Monoxide: 219.13 μg/m3
Nitrogen Dioxide: 12.71 μg/m3
Sulphur Dioxide: 2.5 μg/m3
Ozone: 67.62 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:47 AM
Sunset: 6:15 PM
Daylight: 10 hrs 54 mins
Moonrise: 9:19 PM
Moon Transit: 2:45 AM
Moonset: 9:03 AM
Moon Phase: Full
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

2:15 AM - 4:45 AM
1:27 PM - 3:57 PM

Minor Periods

8:49 PM - 10:19 PM
8:33 AM - 10:03 AM

Action Rating: 3 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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