Water Temperature of the San Antonio River in Elmendorf, TX

Current Water Temperature

87.8°F

Measurement Time: Tuesday, July 15, 2025, 9:30 AM CDT

Temperature Locations

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Local Points of Interest

River Crossing Park; Graytown, TX

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San Antonio River

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

Elevation Above Sea Level: 423 feet / 129 meters

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 (80.0 mi)
Frio River, Concan, TX (83.3 mi)
Nueces River, San Patricio, TX (95.5 mi)
Nueces River, Odem, TX (101.7 mi)
Viola Turning Basin, Corpus Christi, TX (107.7 mi)
Neuces Bay, Corpus Christi, TX (109.6 mi)
Lavaca Bay, Port Lavaca, TX (113.0 mi)
Corpus Christi Bay, Portland, TX (113.2 mi)
Corpus Christi Bay, Corpus Christi, TX (113.7 mi)
San Antonio Bay, Seadrift, TX (114.3 mi)

Weather for Elmendorf, Texas

Current Weather

95.7°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 45%
Feels Like: 103.3°F
Wind: SSE 13.4 mph
Wind Gusts: 15.4 mph
Pressure: 29.98 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 10.2

Five Day Weather Forecast

Partly Cloudy
Tue
H: 100°F
L: 77°F
Partly Cloudy
Wed
H: 100°F
L: 76°F
Cloudy
Thu
H: 93°F
L: 74°F
Overcast
Fri
H: 100°F
L: 75°F
Sunny
Sat
H: 103°F
L: 76°F

Air Quality

AQI: 1 - Good
PM2.5: 13.69 μg/m3
PM10: 23.13 μg/m3
Carbon Monoxide: 218.3 μg/m3
Nitrogen Dioxide: 2.22 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 58 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:39 PM
Sunset: 8:35 PM
Daylight: 13 hrs 50 mins
Moonrise: 12:23 AM
Moon Transit: 12:00 AM
Moonset: 11:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

10:56 AM - 12:26 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Flood Watch issued July 15 at 12:37PM CDT until July 15 at 9:00PM CDT by NWS Austin/San Antonio TX

Effective: Tue July 15, 2025, 12:37 PM
Expires: Tue July 15, 2025, 8:45 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Texas, including the following counties, Bandera, Blanco, Burnet, Edwards, Gillespie, Kendall, Kerr, Kinney, Llano, Medina, Real and Uvalde. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - An upper level disturbance over Central Texas combined with abundant moisture are likely to bring another chance for heavy rain across parts of the Southern Edwards Plateau and Hill Country. Rain rates of 1 to 2 inches per hour could lead to flooding over areas affected by earlier heavy rain. Additional rainfall of 1 to 2 inches with isolated totals up to 4 inches is possible. - 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 July 15 at 12:37PM CDT until July 15 at 9:00PM CDT by NWS Austin/San Antonio TX

Effective: Tue July 15, 2025, 12:37 PM
Expires: Tue July 15, 2025, 8:45 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Texas, including the following counties, Bandera, Blanco, Burnet, Edwards, Gillespie, Kendall, Kerr, Kinney, Llano, Medina, Real and Uvalde. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - An upper level disturbance over Central Texas combined with abundant moisture are likely to bring another chance for heavy rain across parts of the Southern Edwards Plateau and Hill Country. Rain rates of 1 to 2 inches per hour could lead to flooding over areas affected by earlier heavy rain. Additional rainfall of 1 to 2 inches with isolated totals up to 4 inches is possible. - 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.


Tuesday, July 15, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 86.8°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 20.8 mph
UV Index: 3

Air Quality

AQI: 1 - Good
PM2.5: 12.95 μg/m3
PM10: 21.67 μg/m3
Carbon Monoxide: 238.21 μg/m3
Nitrogen Dioxide: 2.92 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 54.4 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:39 PM
Sunset: 8:35 PM
Daylight: 13 hrs 50 mins
Moonrise: 12:23 AM
Moon Transit: 12:00 AM
Moonset: 11:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

10:56 AM - 12:26 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 16, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 84.4°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 19.5 mph
UV Index: 3

Air Quality

AQI: 2 - Moderate
PM2.5: 20.39 μg/m3
PM10: 54.65 μg/m3
Carbon Monoxide: 215.49 μg/m3
Nitrogen Dioxide: 2.84 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 54.92 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:39 PM
Sunset: 8:34 PM
Daylight: 13 hrs 49 mins
Moonrise: 12:54 AM
Moon Transit: 12:15 AM
Moonset: 12:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

11:59 AM - 1:29 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 17, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 80.8°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 17 mph
UV Index: 3.1

Air Quality

AQI: 2 - Moderate
PM2.5: 19.82 μg/m3
PM10: 48.31 μg/m3
Carbon Monoxide: 215.27 μg/m3
Nitrogen Dioxide: 3.17 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 56.2 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:39 PM
Sunset: 8:34 PM
Daylight: 13 hrs 48 mins
Moonrise: 12:26 AM
Moon Transit: 6:54 AM
Moonset: 1:32 PM
Moon Phase: Last Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

6:24 AM - 8:54 AM
5:39 PM - 8:09 PM

Minor Periods

1:02 PM - 2:32 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Friday, July 18, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 84.6°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 18.3 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 12.99 μg/m3
PM10: 23.6 μg/m3
Carbon Monoxide: 202.69 μg/m3
Nitrogen Dioxide: 4.02 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 54.36 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 1:39 PM
Sunset: 8:33 PM
Daylight: 13 hrs 47 mins
Moonrise: 12:59 AM
Moon Transit: 7:44 AM
Moonset: 2:39 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:14 AM - 9:44 AM
6:31 PM - 9:01 PM

Minor Periods

2:09 PM - 3:39 PM
12:29 AM - 1:59 AM

Action Rating: 4 out of 5

Saturday, July 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 87.6°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 21.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 9.93 μg/m3
PM10: 13.08 μg/m3
Carbon Monoxide: 245.77 μg/m3
Nitrogen Dioxide: 4.08 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 50.15 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:39 PM
Sunset: 8:33 PM
Daylight: 13 hrs 46 mins
Moonrise: 1:37 AM
Moon Transit: 8:38 AM
Moonset: 3:48 PM
Moon Phase: Last Quarter
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

8:08 AM - 10:38 AM
7:27 PM - 9:57 PM

Minor Periods

3:18 PM - 4:48 PM
1:07 AM - 2:37 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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