Water Temperature of the Rio Grande in Rio Grande City, TX

Current Water Temperature

87.1°F

Measurement Time: Tuesday, July 28, 2026, 5:15 PM CDT

Temperature Locations

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Local Points of Interest

Ciudad Camargo, Mexico

Rio Grande

Station Name: Rio Grande nr Rio Grande City, TX
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 154 feet

Nearest Address:
Rio Grande City, TX 78582
Starr County

GPS Coordinates: 26.35414444, -98.7968222

Nearby Water Temperatures

Rio Grande, Roma, TX (14 mi)
Rio Grande, Mission, TX (27 mi)
Rio Grande, Mission, TX (29.6 mi)
Rio Grande, Mission, TX (32.3 mi)
Rio Grande, Mercedes, TX (59.2 mi)
Rio Grande, Los Indios, TX (67.4 mi)
Laguna Madre, Armstrong, TX (87.6 mi)
Laguna Madre, Bayview, TX (93.8 mi)
Port Isabel Channel, Port Isabel, TX (100.1 mi)
Laguna Madre, South Padre Island, TX (102.9 mi)
Brownsville Ship Channel, South Padre Island, TX (103.7 mi)
Baffin Bay, Kingsville, TX (107.7 mi)
Gulf Intracoastal Waterway, Corpus Christi, TX (120 mi)
Nueces River, San Patricio, TX (126.1 mi)
Nueces River, Odem, TX (128.4 mi)

Weather for Rio Grande City, Texas

Current Weather

85.7°F
Cloudy
Cloudy
95.2°F
92.2°F
70%
SE 21.3 mph
28.1 mph
84.4°F
74.5°F
0 in
75%
10 mi
1004 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 104°F
L: 79°F
Sunny
Wed
H: 105°F
L: 80°F
Sunny
Thu
H: 105°F
L: 80°F
Sunny
Fri
H: 106°F
L: 80°F
Sunny
Sat
H: 107°F
L: 81°F

Air Quality

AQI: 1 - Good
PM2.5: 9.2 μg/m3
PM10: 14.7 μg/m3
Carbon Monoxide: 106 μg/m3
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 45 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:41 PM
Sunset: 8:25 PM
Daylight: 13 hrs 26 mins
Moonrise: 8:07 PM
Moon Transit: 12:39 AM
Moonset: 5:57 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:09 AM - 2:39 AM
11:21 AM - 1:51 PM

Minor Periods

7:37 PM - 9:07 PM
5:27 AM - 6:57 AM

Action Rating: 4 out of 5

Special Weather Statement issued July 28 at 7:12AM CDT by NWS Brownsville TX

Effective: Tue July 28, 2026, 7:12 AM
Expires: Tue July 28, 2026, 7:00 PM

The combination of hot temperatures and humidity will produce heat index values between 105 and 110 degrees for several hours this afternoon and early evening. A few locations may briefly experience heat index values above 111 degrees. If spending time outside today, drink plenty of water, wear light weight and light colored clothing, and take frequent breaks from the heat. Young children and pets should never be left unattended in vehicles.
Tuesday, July 28, 2026

Weather Forecast

Sunny
103.8°F
78.6°F
89.8°F
61%
0 in
3%
0%
23 mph
11.7


Air Quality

AQI: 1 - Good
PM2.5: 9.38 μg/m3
PM10: 14.61 μg/m3
Carbon Monoxide: 101.63 μg/m3
Nitrogen Dioxide: 1.57 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 54.38 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:41 PM
Sunset: 8:25 PM
Daylight: 13 hrs 26 mins
Moonrise: 8:07 PM
Moon Transit: 12:39 AM
Moonset: 5:57 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:09 AM - 2:39 AM
11:21 AM - 1:51 PM

Minor Periods

7:37 PM - 9:07 PM
5:27 AM - 6:57 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
105°F
80.2°F
90.6°F
55%
0 in
2%
0%
24.8 mph
11.7


Air Quality

AQI: 1 - Good
PM2.5: 6.44 μg/m3
PM10: 9.46 μg/m3
Carbon Monoxide: 102.29 μg/m3
Nitrogen Dioxide: 1.57 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 58.71 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:41 PM
Sunset: 8:24 PM
Daylight: 13 hrs 25 mins
Moonrise: 8:44 PM
Moon Transit: 1:28 AM
Moonset: 6:54 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:58 AM - 3:28 AM
12:09 AM - 2:39 PM

Minor Periods

8:14 PM - 9:44 PM
6:24 AM - 7:54 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
105°F
79.8°F
90.1°F
55%
0 in
2%
0%
23 mph
11.3


Air Quality

AQI: 1 - Good
PM2.5: 9.41 μg/m3
PM10: 13.24 μg/m3
Carbon Monoxide: 105.17 μg/m3
Nitrogen Dioxide: 1.63 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 59.67 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:41 PM
Sunset: 8:24 PM
Daylight: 13 hrs 24 mins
Moonrise: 9:17 PM
Moon Transit: 2:14 AM
Moonset: 7:51 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
12:54 AM - 3:24 PM

Minor Periods

8:47 PM - 10:17 PM
7:21 AM - 8:51 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
105.6°F
79.6°F
90.4°F
55%
0 in
2%
0%
23.5 mph
11.8


Air Quality

AQI: 1 - Good
PM2.5: 7.2 μg/m3
PM10: 10.15 μg/m3
Carbon Monoxide: 105.67 μg/m3
Nitrogen Dioxide: 1.73 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 55.75 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:41 PM
Sunset: 8:23 PM
Daylight: 13 hrs 23 mins
Moonrise: 9:49 PM
Moon Transit: 3:00 AM
Moonset: 8:47 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:30 AM - 5:00 AM
1:38 PM - 4:08 PM

Minor Periods

9:19 PM - 10:49 PM
8:17 AM - 9:47 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
106.9°F
80.5°F
91.7°F
51%
0 in
2%
0%
23.3 mph
11.6


Air Quality

AQI: 1 - Good
PM2.5: 5.58 μg/m3
PM10: 8.14 μg/m3
Carbon Monoxide: 106.1 μg/m3
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 48.08 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:41 PM
Sunset: 8:22 PM
Daylight: 13 hrs 22 mins
Moonrise: 10:20 PM
Moon Transit: 3:42 AM
Moonset: 9:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

3:12 AM - 5:42 AM
2:21 PM - 4:51 PM

Minor Periods

9:50 PM - 11:20 PM
9:12 AM - 10:42 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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