Water Temperature of the Medina River in San Antonio, TX

Current Water Temperature

66.7°F 19.3°C
Cool Brisk & Refreshing
66.7°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Feels brisk on entry. Great for short dips; wetsuit recommended for extended swimming or water sports.

Measurement Time: Tuesday, November 10, 2026, 8:45 AM CST

Temperature Locations

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Local Points of Interest

Medina River Natural Area

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Medina River

Station Name: Medina Rv nr Somerset, TX
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 528 feet

Nearest Address:
Palo Alto Rd
San Antonio, TX 78264
Bexar County

GPS Coordinates: 29.26218286, -98.5814074

Nearby Water Temperatures

Medina River, San Antonio, TX (5.5 mi)
San Antonio River, Elmendorf, TX (13.9 mi)
San Antonio River, Runge, TX (58.4 mi)
Jacob's Well Spring, Wimberley, TX (60 mi)
Frio River, Concan, TX (69.4 mi)
San Antonio River, Goliad, TX (83.8 mi)
Barton Springs, Austin, TX (84.5 mi)
Nueces River, San Patricio, TX (103.7 mi)
Nueces River, Odem, TX (110.7 mi)
Rincon Bayou Channel, Odem, TX (111 mi)
Viola Turning Basin, Corpus Christi, TX (117.1 mi)
Neuces Bay, Corpus Christi, TX (119.1 mi)
Corpus Christi Bay, Corpus Christi, TX (123.6 mi)
Corpus Christi Bay, Portland, TX (123.7 mi)
Aransas Bay, Rockport, TX (126.5 mi)

Weather for San Antonio, Texas

Current Weather

63.5°F
Overcast
Conditions: Overcast
Humidity: 91%
Feels Like: 66.4°F
Wind: ENE 2.1 mph
Wind Gusts: 5.2 mph
Pressure: 30.11 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 8.7 mi
UV Index: 1.9

Weather Forecast

Light Drizzle
Tue
H: 64°F
L: 60°F
Overcast
Wed
H: 70°F
L: 59°F
Overcast
Thu
H: 78°F
L: 55°F
Overcast
Fri
H: 77°F
L: 61°F
Violent Rain Showers
Sat
H: 65°F
L: 58°F

Air Quality

EPA Index 2 • Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

PM2.5
10.4 μg/m³
Good
PM10
10.7 μg/m³
Good
Ozone (O3)
58 μg/m³
Photochemical
NO2
7.8 μg/m³
Nitrogen Dioxide
SO2
2.5 μg/m³
Sulfur Dioxide
CO
136 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 47m daylight
Sunrise 6:54 AM
Solar Noon 12:18 PM
Sunset 5:42 PM
Moon
New • 0%
Moonrise 8:18 AM
Transit 1:24 PM
Moonset 6:30 PM

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
12:54 PM - 3:24 PM

Minor Periods

7:48 AM - 9:18 AM
6:00 PM - 7:30 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 61.7°F
Average Humidity: 93%
Chance of Rain: 39%
Wind: 5.4 mph
UV Index: 3.2

Air Quality

EPA Index 2 • Moderate
PM2.5
15 μg/m³
Moderate
PM10
15.2 μg/m³
Good
Ozone (O3)
42.4 μg/m³
Photochemical
NO2
13.4 μg/m³
Nitrogen Dioxide
SO2
2.1 μg/m³
Sulfur Dioxide
CO
181.5 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 47m daylight
Sunrise 6:54 AM
Solar Noon 12:18 PM
Sunset 5:42 PM
Moon
New • 0%
Moonrise 8:18 AM
Transit 1:24 PM
Moonset 6:30 PM

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
12:54 PM - 3:24 PM

Minor Periods

7:48 AM - 9:18 AM
6:00 PM - 7:30 PM
Action Rating:
Very Good 4/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 64.4°F
Average Humidity: 90%
Chance of Rain: 1%
Wind: 6.5 mph
UV Index: 4.2

Air Quality

EPA Index 2 • Moderate
PM2.5
15.3 μg/m³
Moderate
PM10
15.5 μg/m³
Good
Ozone (O3)
36.5 μg/m³
Photochemical
NO2
20.2 μg/m³
Nitrogen Dioxide
SO2
1.9 μg/m³
Sulfur Dioxide
CO
201.7 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 46m daylight
Sunrise 6:55 AM
Solar Noon 12:18 PM
Sunset 5:41 PM
Moon
New • 2%
Moonrise 9:14 AM
Transit 2:16 PM
Moonset 7:18 PM

Best Times for Fishing or Hunting

Major Periods

1:20 AM - 3:50 AM
1:46 PM - 4:16 PM

Minor Periods

8:44 AM - 10:14 AM
6:48 PM - 8:18 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 66.6°F
Average Humidity: 68%
Chance of Rain: 1%
Wind: 9.6 mph
UV Index: 5.3

Air Quality

EPA Index 2 • Moderate
PM2.5
7.5 μg/m³
Good
PM10
7.6 μg/m³
Good
Ozone (O3)
50.1 μg/m³
Photochemical
NO2
15.4 μg/m³
Nitrogen Dioxide
SO2
1.2 μg/m³
Sulfur Dioxide
CO
176.5 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 45m daylight
Sunrise 6:56 AM
Solar Noon 12:18 PM
Sunset 5:41 PM
Moon
Waxing Crescent • 6%
Moonrise 10:07 AM
Transit 3:07 PM
Moonset 8:10 PM

Best Times for Fishing or Hunting

Major Periods

2:12 AM - 4:42 AM
2:37 PM - 5:07 PM

Minor Periods

9:37 AM - 11:07 AM
7:40 PM - 9:10 PM
Action Rating:
Fair Action 2/5
Friday, November 13, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 68.4°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 8 mph
UV Index: 5.3

Air Quality

EPA Index 2 • Moderate
PM2.5
9.9 μg/m³
Good
PM10
10.1 μg/m³
Good
Ozone (O3)
48.3 μg/m³
Photochemical
NO2
18.3 μg/m³
Nitrogen Dioxide
SO2
1.4 μg/m³
Sulfur Dioxide
CO
175.5 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 43m daylight
Sunrise 6:57 AM
Solar Noon 12:18 PM
Sunset 5:40 PM
Moon
Waxing Crescent • 13%
Moonrise 10:54 AM
Transit 3:58 PM
Moonset 9:05 PM

Best Times for Fishing or Hunting

Major Periods

3:03 AM - 5:33 AM
3:28 PM - 5:58 PM

Minor Periods

10:24 AM - 11:54 AM
8:35 PM - 10:05 PM
Action Rating:
Good Action 3/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Violent Rain Showers
Average Temperature: 61.5°F
Average Humidity: 90%
Chance of Rain: 44%
Wind: 14.2 mph
UV Index: 1.7

Air Quality

EPA Index 2 • Moderate
PM2.5
11.5 μg/m³
Good
PM10
14.1 μg/m³
Good
Ozone (O3)
66.8 μg/m³
Photochemical
NO2
6.3 μg/m³
Nitrogen Dioxide
SO2
1.4 μg/m³
Sulfur Dioxide
CO
135.2 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 42m daylight
Sunrise 6:57 AM
Solar Noon 12:18 PM
Sunset 5:40 PM
Moon
Waxing Crescent • 21%
Moonrise 11:36 AM
Transit 4:46 PM
Moonset 10:01 PM

Best Times for Fishing or Hunting

Major Periods

3:52 AM - 6:22 AM
4:16 PM - 6:46 PM

Minor Periods

11:06 AM - 12:36 PM
9:31 PM - 11:01 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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