Water Temperature of the San Antonio River in Elmendorf, TX

Current Water Temperature

63.3°F

Measurement Time: Wednesday, April 22, 2026, 2:30 AM CDT

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

68.4°F
Mist
Mist
68.4°F
71.9°F
100%
ESE 6.3 mph
9.2 mph
69.5°F
67.7°F
0 in
100%
1 mi
1016 mbar
0.2

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 81°F
L: 65°F
Patchy rain nearby
Thu
H: 89°F
L: 66°F
Patchy rain nearby
Fri
H: 92°F
L: 69°F
Patchy rain nearby
Sat
H: 95°F
L: 69°F
Patchy rain nearby
Sun
H: 97°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 4.55 μg/m3
PM10: 5.95 μg/m3
Carbon Monoxide: 141.85 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 88 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:31 PM
Sunset: 8:04 PM
Daylight: 13 hrs 4 mins
Moonrise: 11:28 AM
Moon Transit: 6:51 PM
Moonset: 1:15 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
6:21 PM - 8:51 PM

Minor Periods

10:58 AM - 12:28 AM
12:45 AM - 2:15 AM

Action Rating: 3 out of 5

Dense Fog Advisory issued April 22 at 6:02AM CDT until April 22 at 10:00AM CDT by NWS Austin/San Antonio TX

Effective: Wed April 22, 2026, 6:02 AM
Expires: Wed April 22, 2026, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...A portion of south central Texas. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Hazardous driving conditions due to low visibility.

If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.


Special Weather Statement issued April 22 at 4:59AM CDT by NWS Austin/San Antonio TX

Effective: Wed April 22, 2026, 4:59 AM
Expires: Wed April 22, 2026, 10:00 AM

Areas of fog have developed across South-Central Texas this morning. A few spots may have dense fog with visibility down to 1/4 mile, but most places are one mile or better. Fog will linger until mid-morning. Leave extra space when driving in fog.


Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
81.1°F
65.1°F
71.7°F
89%
0.17 in
88%
0%
11.9 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 6.19 μg/m3
PM10: 7.96 μg/m3
Carbon Monoxide: 146.29 μg/m3
Nitrogen Dioxide: 2.9 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 78.96 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:31 PM
Sunset: 8:04 PM
Daylight: 13 hrs 4 mins
Moonrise: 11:28 AM
Moon Transit: 6:51 PM
Moonset: 1:15 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
6:21 PM - 8:51 PM

Minor Periods

10:58 AM - 12:28 AM
12:45 AM - 2:15 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Patchy rain nearby
89.1°F
66.2°F
75.5°F
76%
0.03 in
87%
0%
17.7 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 5.76 μg/m3
PM10: 7.31 μg/m3
Carbon Monoxide: 143.57 μg/m3
Nitrogen Dioxide: 2.48 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 77.96 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:31 PM
Sunset: 8:05 PM
Daylight: 13 hrs 6 mins
Moonrise: 12:37 AM
Moon Transit: 7:48 PM
Moonset: 2:09 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

5:41 AM - 8:11 AM
7:18 PM - 9:48 PM

Minor Periods

12:07 AM - 1:37 PM
1:39 AM - 3:09 AM

Action Rating: 2 out of 5

Friday, April 24, 2026

Weather Forecast

Patchy rain nearby
91.8°F
69.4°F
77.7°F
76%
0.14 in
89%
0%
14.3 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 7.5 μg/m3
PM10: 8.82 μg/m3
Carbon Monoxide: 142.69 μg/m3
Nitrogen Dioxide: 2.55 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:31 PM
Sunset: 8:06 PM
Daylight: 13 hrs 7 mins
Moonrise: 1:43 PM
Moon Transit: 8:41 PM
Moonset: 2:53 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

6:36 AM - 9:06 AM
8:11 PM - 10:41 PM

Minor Periods

1:13 PM - 2:43 PM
2:23 AM - 3:53 AM

Action Rating: 4 out of 5

Saturday, April 25, 2026

Weather Forecast

Patchy rain nearby
95.3°F
69.2°F
80.6°F
72%
0.06 in
64%
0%
18.8 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 8.08 μg/m3
PM10: 9.29 μg/m3
Carbon Monoxide: 142.6 μg/m3
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 63.56 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:31 PM
Sunset: 8:06 PM
Daylight: 13 hrs 9 mins
Moonrise: 2:47 PM
Moon Transit: 9:29 PM
Moonset: 3:31 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

7:26 AM - 9:56 AM
8:59 PM - 11:29 PM

Minor Periods

2:17 PM - 3:47 PM
3:01 AM - 4:31 AM

Action Rating: 3 out of 5

Sunday, April 26, 2026

Weather Forecast

Patchy rain nearby
97.4°F
70.5°F
78.2°F
78%
0.08 in
64%
0%
19 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.36 μg/m3
PM10: 8.66 μg/m3
Carbon Monoxide: 160.07 μg/m3
Nitrogen Dioxide: 3.33 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 57.92 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:31 PM
Sunset: 8:07 PM
Daylight: 13 hrs 11 mins
Moonrise: 3:46 PM
Moon Transit: 10:13 PM
Moonset: 4:04 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
12:00 AM - 12:00 AM

Minor Periods

3:16 PM - 4:46 PM
3:34 AM - 5:04 AM

Action Rating: 2 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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