Water Temperature of the Medina River in San Antonio, TX

Current Water Temperature

66.9°F

Measurement Time: Tuesday, December 30, 2025, 8:15 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

°F
Clear
Clear
57%
°F
°F
mph
mph
°F
millibars
°F
%
0 in
0%
mi
0

Five Day Weather Forecast

Sunny
Wed
H: 71°F
L: 35°F
Sunny
Thu
H: 73°F
L: 45°F
Sunny
Fri
H: 85°F
L: 56°F
Sunny
Sat
H: 74°F
L: 55°F
Sunny
Sun
H: 76°F
L: 53°F

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:37 AM
Sunset: 5:46 PM
Daylight: 10 hrs 19 mins
Moonrise: 2:56 PM
Moon Transit: 10:18 PM
Moonset: 4:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

8:05 AM - 10:35 AM
12:00 AM - 12:00 AM

Minor Periods

2:26 PM - 3:56 PM
4:02 AM - 5:32 AM

Action Rating: 2 out of 5

Freeze Warning issued December 30 at 12:08PM CST until December 31 at 8:00AM CST by NWS Austin/San Antonio TX

Effective: Tue December 30, 2025, 12:08 PM
Expires: Wed December 31, 2025, 8:00 AM

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Atascosa, Frio, Karnes, Medina, and Wilson Counties. * WHEN...From 3 AM to 8 AM CST Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.
Wednesday, December 31, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 52°F
Average Humidity: 24%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 0.8

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:37 AM
Sunset: 5:46 PM
Daylight: 10 hrs 19 mins
Moonrise: 2:56 PM
Moon Transit: 10:18 PM
Moonset: 4:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

8:05 AM - 10:35 AM
12:00 AM - 12:00 AM

Minor Periods

2:26 PM - 3:56 PM
4:02 AM - 5:32 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 57.3°F
Average Humidity: 34%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 0.9

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:37 AM
Sunset: 5:47 PM
Daylight: 10 hrs 19 mins
Moonrise: 3:56 PM
Moon Transit: 11:24 PM
Moonset: 5:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

9:09 AM - 11:39 AM
12:00 AM - 12:00 AM

Minor Periods

3:26 PM - 4:56 PM
5:15 AM - 6:45 AM

Action Rating: 2 out of 5

Friday, January 2, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 67.9°F
Average Humidity: 42%
Chance of Rain: 0%
Wind: 18.1 mph
UV Index: 0.9

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:38 AM
Sunset: 5:48 PM
Daylight: 10 hrs 20 mins
Moonrise: 5:03 PM
Moon Transit: 12:00 AM
Moonset: 6:54 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:16 AM - 12:46 AM

Minor Periods

4:33 PM - 6:03 PM
6:24 AM - 7:54 AM

Action Rating: 5 out of 5

Saturday, January 3, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 63.7°F
Average Humidity: 38%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 0.9

Astronomical

Sunrise: 7:28 AM
Sun Transit: 12:38 AM
Sunset: 5:49 PM
Daylight: 10 hrs 20 mins
Moonrise: 6:15 PM
Moon Transit: 12:31 AM
Moonset: 7:55 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
11:22 AM - 1:52 PM

Minor Periods

5:45 PM - 7:15 PM
7:25 AM - 8:55 AM

Action Rating: 5 out of 5

Sunday, January 4, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 59.9°F
Average Humidity: 52%
Chance of Rain: 0%
Wind: 9.2 mph
UV Index: 0

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:39 AM
Sunset: 5:49 PM
Daylight: 10 hrs 21 mins
Moonrise: 7:26 PM
Moon Transit: 1:34 AM
Moonset: 8:46 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

1:04 AM - 3:34 AM
12:23 AM - 2:53 PM

Minor Periods

6:56 PM - 8:26 PM
8:16 AM - 9:46 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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