Water Temperature of the Medina River in San Antonio, TX

Current Water Temperature

72.1°F

Measurement Time: Wednesday, November 19, 2025, 1:30 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 / 161 meters

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 (60.0 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 (111.0 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

82°F
Mist
Conditions: Mist
Humidity: 67%
Feels Like: 91.5°F
Wind: SSE 12.3 mph
Wind Gusts: 14.2 mph
Pressure: 30.06 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 6 mi
UV Index: 3.3

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 84°F
L: 71°F
Heavy rain
Thu
H: 83°F
L: 66°F
Overcast
Fri
H: 89°F
L: 65°F
Partly Cloudy
Sat
H: 79°F
L: 64°F
Patchy rain nearby
Sun
H: 78°F
L: 67°F

Air Quality

AQI: 1 - Good
PM2.5: 6.75 μg/m3
PM10: 7.45 μg/m3
Carbon Monoxide: 183.85 μg/m3
Nitrogen Dioxide: 10.45 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:19 AM
Sunset: 5:38 PM
Daylight: 10 hrs 36 mins
Moonrise: 6:34 AM
Moon Transit: 11:50 AM
Moonset: 5:04 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:20 AM - 1:50 PM

Minor Periods

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

Action Rating: 4 out of 5

Flood Watch issued November 18 at 8:40PM CST until November 21 at 6:00AM CST by NWS Austin/San Antonio TX

Effective: Tue November 18, 2025, 8:40 PM
Expires: Wed November 19, 2025, 12:00 PM

An upper level low will interact with deep low level moisture and then bring a Pacific cold front through South-Central Texas Wednesday night and Thursday. This combination of features will lead to locally heavy rainfall over the Southern Edwards Plateau, Hill Country, and I-35 Corridor. Showers and thunderstorms will begin out west Wednesday night and move across the region Thursday exiting our eastern area Friday morning. Some storms will produce locally heavy rain leading to flash flooding. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Texas, including the following counties, Bandera, Bexar, Blanco, Burnet, Comal, Edwards, Gillespie, Hays, Kendall, Kerr, Kinney, Llano, Medina, Real, Travis, Uvalde, Val Verde and Williamson. * WHEN...From late Wednesday night through late Thursday night. * IMPACTS...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. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Rainfall amounts of 1-3 inches with isolated totals to 6 inches. - 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.


Flood Watch issued November 19 at 11:49AM CST until November 21 at 6:00AM CST by NWS Austin/San Antonio TX

Effective: Wed November 19, 2025, 11:49 AM
Expires: Thu November 20, 2025, 2:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Texas, including the following counties, Bandera, Bexar, Blanco, Burnet, Comal, Edwards, Gillespie, Hays, Kendall, Kerr, Kinney, Llano, Medina, Real, Travis, Uvalde, Val Verde and Williamson. * WHEN...From late tonight through late Thursday night. * IMPACTS...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. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - An upper level storm system and above normal atmospheric moisture will combine to create several rounds of rainfall late Wednesday into Thursday. Rainfall amounts of 1 to 3 inches with isolated totals of 6 to 8 inches are possible. The focus for the highest rainfall amounts is likely to remain across the western Hill Country and southern Edwards Plateau. - 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.


Wednesday, November 19, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 75.8°F
Average Humidity: 85%
Chance of Rain: 85%
Wind: 14.8 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 7.02 μg/m3
PM10: 8.54 μg/m3
Carbon Monoxide: 160.57 μg/m3
Nitrogen Dioxide: 7.29 μg/m3
Sulphur Dioxide: 2.17 μg/m3
Ozone: 59.72 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:19 AM
Sunset: 5:38 PM
Daylight: 10 hrs 36 mins
Moonrise: 6:34 AM
Moon Transit: 11:50 AM
Moonset: 5:04 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:20 AM - 1:50 PM

Minor Periods

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

Action Rating: 4 out of 5

Thursday, November 20, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 72.2°F
Average Humidity: 80%
Chance of Rain: 89%
Wind: 13.6 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 5.2 μg/m3
PM10: 6.09 μg/m3
Carbon Monoxide: 146.33 μg/m3
Nitrogen Dioxide: 5.19 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 62.16 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:20 AM
Sunset: 5:37 PM
Daylight: 10 hrs 35 mins
Moonrise: 7:30 AM
Moon Transit: 12:38 AM
Moonset: 5:43 PM
Moon Phase: New
Moon Illumination: 2.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:08 AM - 2:38 PM

Minor Periods

5:13 PM - 6:43 PM
7:00 AM - 8:30 AM

Action Rating: 5 out of 5

Friday, November 21, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 73.7°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 5.85 μg/m3
PM10: 6.55 μg/m3
Carbon Monoxide: 172.85 μg/m3
Nitrogen Dioxide: 7.51 μg/m3
Sulphur Dioxide: 2.27 μg/m3
Ozone: 56.72 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:20 AM
Sunset: 5:37 PM
Daylight: 10 hrs 34 mins
Moonrise: 8:27 AM
Moon Transit: 1:28 PM
Moonset: 6:29 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:58 AM - 3:28 PM

Minor Periods

5:59 PM - 7:29 PM
7:57 AM - 9:27 AM

Action Rating: 4 out of 5

Saturday, November 22, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 70.9°F
Average Humidity: 45%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 8.33 μg/m3
PM10: 8.75 μg/m3
Carbon Monoxide: 206.77 μg/m3
Nitrogen Dioxide: 14.05 μg/m3
Sulphur Dioxide: 2.81 μg/m3
Ozone: 64.24 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:20 AM
Sunset: 5:37 PM
Daylight: 10 hrs 33 mins
Moonrise: 9:21 AM
Moon Transit: 2:20 PM
Moonset: 7:20 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

12:13 AM - 2:43 AM
1:50 PM - 4:20 PM

Minor Periods

6:50 PM - 8:20 PM
8:51 AM - 10:21 AM

Action Rating: 3 out of 5

Sunday, November 23, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 70.6°F
Average Humidity: 78%
Chance of Rain: 84%
Wind: 17.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 4.03 μg/m3
PM10: 4.07 μg/m3
Carbon Monoxide: 198.85 μg/m3
Nitrogen Dioxide: 12.27 μg/m3
Sulphur Dioxide: 3.28 μg/m3
Ozone: 55.08 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:20 AM
Sunset: 5:36 PM
Daylight: 10 hrs 32 mins
Moonrise: 10:11 AM
Moon Transit: 3:12 PM
Moonset: 8:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
2:42 PM - 5:12 PM

Minor Periods

7:46 PM - 9:16 PM
9:41 AM - 11:11 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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