Water Temperature of the San Antonio River in Elmendorf, TX

Current Water Temperature

64.8°F

Measurement Time: Friday, January 30, 2026, 11:30 AM CST

Temperature Locations

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Local Points of Interest

River Crossing Park; Graytown, TX

San Antonio River

Station Name: San Antonio Rv nr Elmendorf, TX
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 423 feet

Nearest Address:
6900 State Loop 1604
Elmendorf, TX 78112
Bexar County

GPS Coordinates: 29.2221853, -98.3558463

Nearby Water Temperatures

Medina River, San Antonio, TX (8.6 mi)
Medina River, San Antonio, TX (13.9 mi)
San Antonio River, Runge, TX (45.4 mi)
Jacob's Well Spring, Wimberley, TX (57.8 mi)
San Antonio River, Goliad, TX (70.8 mi)
Barton Springs, Austin, TX (80 mi)
Frio River, Concan, TX (83.3 mi)
Nueces River, San Patricio, TX (95.5 mi)
Nueces River, Odem, TX (101.7 mi)
Rincon Bayou Channel, Odem, TX (101.9 mi)
Viola Turning Basin, Corpus Christi, TX (107.7 mi)
Neuces Bay, Corpus Christi, TX (109.6 mi)
Lavaca Bay, Port Lavaca, TX (113 mi)
Corpus Christi Bay, Portland, TX (113.2 mi)
Corpus Christi Bay, Corpus Christi, TX (113.7 mi)

Weather for Elmendorf, Texas

Current Weather

57.9°F
Partly cloudy
Partly cloudy
56.2°F
63.4°F
28%
NNE 8.7 mph
12 mph
63.3°F
35.8°F
0 in
50%
9 mi
1026 mbar
0.2

Five Day Weather Forecast

Sunny
Fri
H: 64°F
L: 40°F
Sunny
Sat
H: 54°F
L: 33°F
Sunny
Sun
H: 60°F
L: 27°F
Overcast
Mon
H: 64°F
L: 38°F
Patchy rain nearby
Tue
H: 79°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 23.95 μg/m3
PM10: 24.25 μg/m3
Carbon Monoxide: 232.85 μg/m3
Nitrogen Dioxide: 13.75 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:46 AM
Sunset: 6:11 PM
Daylight: 10 hrs 47 mins
Moonrise: 3:51 PM
Moon Transit: 11:14 PM
Moonset: 5:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

9:03 AM - 11:33 AM
12:00 AM - 12:00 AM

Minor Periods

3:21 PM - 4:51 PM
5:08 AM - 6:38 AM

Action Rating: 2 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 29 at 12:01PM CST until January 31 at 10:00AM CST by NWS Austin/San Antonio TX

Effective: Thu January 29, 2026, 12:01 PM
Expires: Sat January 31, 2026, 10:00 AM

* WHAT...Very cold wind chills as low as 13 to 20 are 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.


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.


Friday, January 30, 2026

Weather Forecast

Sunny
64.2°F
40.1°F
50.8°F
49%
0 in
0%
0%
16.3 mph
0.6


Air Quality

AQI: 2 - Moderate
PM2.5: 16.51 μg/m3
PM10: 16.87 μg/m3
Carbon Monoxide: 223.97 μg/m3
Nitrogen Dioxide: 7.01 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 82.92 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:46 AM
Sunset: 6:11 PM
Daylight: 10 hrs 47 mins
Moonrise: 3:51 PM
Moon Transit: 11:14 PM
Moonset: 5:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

9:03 AM - 11:33 AM
12:00 AM - 12:00 AM

Minor Periods

3:21 PM - 4:51 PM
5:08 AM - 6:38 AM

Action Rating: 2 out of 5

Saturday, January 31, 2026

Weather Forecast

Sunny
53.6°F
32.7°F
41.9°F
53%
0 in
0%
0%
19.7 mph
1.1


Air Quality

AQI: 2 - Moderate
PM2.5: 15.68 μg/m3
PM10: 15.83 μg/m3
Carbon Monoxide: 208.37 μg/m3
Nitrogen Dioxide: 9.83 μg/m3
Sulphur Dioxide: 2.77 μg/m3
Ozone: 59.28 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:46 AM
Sunset: 6:11 PM
Daylight: 10 hrs 49 mins
Moonrise: 5:02 PM
Moon Transit: 12:00 AM
Moonset: 6:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

4:32 PM - 6:02 PM
6:03 AM - 7:33 AM

Action Rating: 4 out of 5

Sunday, February 1, 2026

Weather Forecast

Sunny
60.1°F
26.6°F
41.1°F
34%
0 in
0%
0%
8.3 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 8.85 μg/m3
PM10: 9.16 μg/m3
Carbon Monoxide: 187.45 μg/m3
Nitrogen Dioxide: 5.61 μg/m3
Sulphur Dioxide: 2.49 μg/m3
Ozone: 57.4 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:47 AM
Sunset: 6:12 PM
Daylight: 10 hrs 50 mins
Moonrise: 6:11 PM
Moon Transit: 12:14 AM
Moonset: 7:19 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

5:41 PM - 7:11 PM
6:49 AM - 8:19 AM

Action Rating: 3 out of 5

Monday, February 2, 2026

Weather Forecast

Overcast
64.4°F
37.9°F
49.8°F
81%
0 in
0%
0%
14.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 9.53 μg/m3
PM10: 11.24 μg/m3
Carbon Monoxide: 268.19 μg/m3
Nitrogen Dioxide: 5.56 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 67.56 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:47 AM
Sunset: 6:13 PM
Daylight: 10 hrs 52 mins
Moonrise: 7:17 PM
Moon Transit: 1:08 AM
Moonset: 7:58 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
11:55 AM - 2:25 PM

Minor Periods

6:47 PM - 8:17 PM
7:28 AM - 8:58 AM

Action Rating: 4 out of 5

Tuesday, February 3, 2026

Weather Forecast

Patchy rain nearby
79.1°F
57.6°F
65.8°F
73%
0 in
0%
0%
16.8 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 6.27 μg/m3
PM10: 7.75 μg/m3
Carbon Monoxide: 153.6 μg/m3
Nitrogen Dioxide: 2.67 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 81.31 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:47 AM
Sunset: 6:14 PM
Daylight: 10 hrs 53 mins
Moonrise: 8:19 PM
Moon Transit: 1:58 AM
Moonset: 8:32 AM
Moon Phase: Full
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

1:28 AM - 3:58 AM
12:43 AM - 3:13 PM

Minor Periods

7:49 PM - 9:19 PM
8:02 AM - 9:32 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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