Water Temperature of the Medina River in San Antonio, TX

Current Water Temperature

73.0°F 22.8°C
Comfortable Ideal for Swimming
73.0°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Pleasant and refreshing. Ideal for recreational swimming, triathlons, and active water recreation without thermal gear.

Measurement Time: Saturday, November 14, 2026, 11:15 PM 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

60.6°F
Overcast
Conditions: Overcast
Humidity: 97%
Feels Like: 61.5°F
Wind: ENE 5.8 mph
Wind Gusts: 8.5 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 7.6 mi
UV Index: 0.3

Five-Day Weather Forecast

Dense Drizzle
Sun
H: 62°F
L: 53°F
Overcast
Mon
H: 56°F
L: 52°F
Overcast
Tue
H: 68°F
L: 48°F
Overcast
Wed
H: 68°F
L: 60°F
Overcast
Thu
H: 76°F
L: 59°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
3.4 μg/m³
Good
PM10
3.9 μg/m³
Good
Ozone (O3)
55 μg/m³
Photochemical
NO2
5.2 μg/m³
Nitrogen Dioxide
SO2
0.9 μg/m³
Sulfur Dioxide
CO
141 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 41m daylight
Sunrise 6:58 AM
Solar Noon 12:18 PM
Sunset 5:39 PM
Moon
Waxing Crescent • 31%
Moonrise 12:13 PM
Transit 5:32 PM
Moonset 10:57 PM

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
5:02 PM - 7:32 PM

Minor Periods

11:43 AM - 1:13 PM
10:27 PM - 11:57 PM
Action Rating:
Good Action 3/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Dense Drizzle
Average Temperature: 58.1°F
Average Humidity: 92%
Chance of Rain: 64%
Wind: 16.3 mph
UV Index: 1.1

Air Quality

EPA Index 1 • Good
PM2.5
3.3 μg/m³
Good
PM10
3.8 μg/m³
Good
Ozone (O3)
63 μg/m³
Photochemical
NO2
4.6 μg/m³
Nitrogen Dioxide
SO2
1 μg/m³
Sulfur Dioxide
CO
140.6 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 41m daylight
Sunrise 6:58 AM
Solar Noon 12:18 PM
Sunset 5:39 PM
Moon
Waxing Crescent • 31%
Moonrise 12:13 PM
Transit 5:32 PM
Moonset 10:57 PM

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
5:02 PM - 7:32 PM

Minor Periods

11:43 AM - 1:13 PM
10:27 PM - 11:57 PM
Action Rating:
Good Action 3/5
Monday, November 16, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 53.4°F
Average Humidity: 87%
Chance of Rain: 1%
Wind: 13.5 mph
UV Index: 4.3

Air Quality

EPA Index 1 • Good
PM2.5
3.8 μg/m³
Good
PM10
4.2 μg/m³
Good
Ozone (O3)
61.3 μg/m³
Photochemical
NO2
5.1 μg/m³
Nitrogen Dioxide
SO2
1.5 μg/m³
Sulfur Dioxide
CO
143 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 40m daylight
Sunrise 6:59 AM
Solar Noon 12:18 PM
Sunset 5:38 PM
Moon
First Quarter • 42%
Moonrise 12:47 PM
Transit 6:17 PM
Moonset 11:53 PM

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
5:47 PM - 8:17 PM

Minor Periods

12:17 PM - 1:47 PM
11:23 PM - 12:53 AM
Action Rating:
Good Action 3/5
Tuesday, November 17, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 58.5°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 5.1

Air Quality

EPA Index 1 • Good
PM2.5
9.3 μg/m³
Good
PM10
9.5 μg/m³
Good
Ozone (O3)
59.1 μg/m³
Photochemical
NO2
7.2 μg/m³
Nitrogen Dioxide
SO2
1.9 μg/m³
Sulfur Dioxide
CO
157.1 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 38m daylight
Sunrise 7:00 AM
Solar Noon 12:18 PM
Sunset 5:38 PM
Moon
First Quarter • 54%
Moonrise 1:17 PM
Transit 7:00 PM
Moonset 1:42 AM

Best Times for Fishing or Hunting

Major Periods

6:08 AM - 8:38 AM
6:30 PM - 9:00 PM

Minor Periods

1:12 AM - 2:42 AM
12:47 PM - 2:17 PM
Action Rating:
Fair Action 2/5
Wednesday, November 18, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 63.1°F
Average Humidity: 73%
Chance of Rain: 5%
Wind: 10.1 mph
UV Index: 2.2

Air Quality

EPA Index 2 • Moderate
PM2.5
12.9 μg/m³
Moderate
PM10
15 μg/m³
Good
Ozone (O3)
61.3 μg/m³
Photochemical
NO2
6.5 μg/m³
Nitrogen Dioxide
SO2
2.2 μg/m³
Sulfur Dioxide
CO
158.6 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 37m daylight
Sunrise 7:00 AM
Solar Noon 12:19 PM
Sunset 5:38 PM
Moon
First Quarter • 65%
Moonrise 1:46 PM
Transit 7:42 PM
Moonset 12:50 AM

Best Times for Fishing or Hunting

Major Periods

6:51 AM - 9:21 AM
7:12 PM - 9:42 PM

Minor Periods

12:20 AM - 1:50 AM
1:16 PM - 2:46 PM
Action Rating:
Good Action 3/5
Thursday, November 19, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 66.6°F
Average Humidity: 77%
Chance of Rain: 19%
Wind: 12.6 mph
UV Index: 4.8

Air Quality

EPA Index 2 • Moderate
PM2.5
8.6 μg/m³
Good
PM10
10.8 μg/m³
Good
Ozone (O3)
66 μg/m³
Photochemical
NO2
4.1 μg/m³
Nitrogen Dioxide
SO2
1 μg/m³
Sulfur Dioxide
CO
169.9 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 36m daylight
Sunrise 7:01 AM
Solar Noon 12:19 PM
Sunset 5:37 PM
Moon
Waxing Gibbous • 75%
Moonrise 2:15 PM
Transit 12:00 PM
Moonset 1:46 AM

Best Times for Fishing or Hunting

Major Periods

11:30 AM - 2:00 PM
11:55 PM - 2:25 AM

Minor Periods

1:16 AM - 2:46 AM
1:45 PM - 3:15 PM
Action Rating:
Fair Action 2/5
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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