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

Current Water Temperature

71.1°F 21.7°C
Comfortable Ideal for Swimming
71.1°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Pleasant and refreshing. Ideal for recreational swimming, triathlons, and active water recreation without thermal gear.

Measurement Time: Thursday, November 12, 2026, 3:15 AM CST

Temperature Locations

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Local Points of Interest

Ciudad Camargo, Mexico

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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

69.1°F
Overcast
Conditions: Overcast
Humidity: 88%
Feels Like: 71.1°F
Wind: NW 8.7 mph
Wind Gusts: 15.2 mph
Pressure: 30.09 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9.8 mi
UV Index: 2.3

Five-Day Weather Forecast

Overcast
Thu
H: 78°F
L: 62°F
Fog
Fri
H: 79°F
L: 59°F
Light Rain Showers
Sat
H: 70°F
L: 66°F
Light Drizzle
Sun
H: 82°F
L: 68°F
Light Drizzle
Mon
H: 84°F
L: 72°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
4.7 μg/m³
Good
PM10
4.9 μg/m³
Good
Ozone (O3)
44 μg/m³
Photochemical
NO2
4.1 μg/m³
Nitrogen Dioxide
SO2
3.4 μg/m³
Sulfur Dioxide
CO
142 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 54m daylight
Sunrise 6:52 AM
Solar Noon 12:19 PM
Sunset 5:46 PM
Moon
Waxing Crescent • 6%
Moonrise 9:59 AM
Transit 3:08 PM
Moonset 8:19 PM

Best Times for Fishing or Hunting

Major Periods

2:12 AM - 4:42 AM
2:38 PM - 5:08 PM

Minor Periods

9:29 AM - 10:59 AM
7:49 PM - 9:19 PM
Action Rating:
Fair Action 2/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 68.4°F
Average Humidity: 81%
Chance of Rain: 1%
Wind: 9.6 mph
UV Index: 4.8

Air Quality

EPA Index 1 • Good
PM2.5
5.4 μg/m³
Good
PM10
5.7 μg/m³
Good
Ozone (O3)
53.2 μg/m³
Photochemical
NO2
4 μg/m³
Nitrogen Dioxide
SO2
1.5 μg/m³
Sulfur Dioxide
CO
140.7 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 54m daylight
Sunrise 6:52 AM
Solar Noon 12:19 PM
Sunset 5:46 PM
Moon
Waxing Crescent • 6%
Moonrise 9:59 AM
Transit 3:08 PM
Moonset 8:19 PM

Best Times for Fishing or Hunting

Major Periods

2:12 AM - 4:42 AM
2:38 PM - 5:08 PM

Minor Periods

9:29 AM - 10:59 AM
7:49 PM - 9:19 PM
Action Rating:
Fair Action 2/5
Friday, November 13, 2026

Weather Forecast

Conditions: Fog
Average Temperature: 67.6°F
Average Humidity: 76%
Chance of Rain: 2%
Wind: 8.9 mph
UV Index: 5.8

Air Quality

EPA Index 1 • Good
PM2.5
7.2 μg/m³
Good
PM10
8.5 μg/m³
Good
Ozone (O3)
65.9 μg/m³
Photochemical
NO2
5.1 μg/m³
Nitrogen Dioxide
SO2
1.1 μg/m³
Sulfur Dioxide
CO
142.1 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 53m daylight
Sunrise 6:53 AM
Solar Noon 12:19 PM
Sunset 5:46 PM
Moon
Waxing Crescent • 13%
Moonrise 10:47 AM
Transit 4:00 PM
Moonset 9:13 PM

Best Times for Fishing or Hunting

Major Periods

3:04 AM - 5:34 AM
3:30 PM - 6:00 PM

Minor Periods

10:17 AM - 11:47 AM
8:43 PM - 10:13 PM
Action Rating:
Good Action 3/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Light Rain Showers
Average Temperature: 67.3°F
Average Humidity: 84%
Chance of Rain: 45%
Wind: 12.2 mph
UV Index: 1.2

Air Quality

EPA Index 2 • Moderate
PM2.5
9.5 μg/m³
Good
PM10
13.3 μg/m³
Good
Ozone (O3)
69.3 μg/m³
Photochemical
NO2
3.6 μg/m³
Nitrogen Dioxide
SO2
1.5 μg/m³
Sulfur Dioxide
CO
141 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 52m daylight
Sunrise 6:54 AM
Solar Noon 12:19 PM
Sunset 5:46 PM
Moon
Waxing Crescent • 21%
Moonrise 11:30 AM
Transit 4:47 PM
Moonset 10:09 PM

Best Times for Fishing or Hunting

Major Periods

3:53 AM - 6:23 AM
4:17 PM - 6:47 PM

Minor Periods

11:00 AM - 12:30 PM
9:39 PM - 11:09 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 73.4°F
Average Humidity: 73%
Chance of Rain: 7%
Wind: 11.6 mph
UV Index: 5.6

Air Quality

EPA Index 2 • Moderate
PM2.5
4.1 μg/m³
Good
PM10
5.7 μg/m³
Good
Ozone (O3)
66.5 μg/m³
Photochemical
NO2
2.2 μg/m³
Nitrogen Dioxide
SO2
1.4 μg/m³
Sulfur Dioxide
CO
123.3 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 51m daylight
Sunrise 6:54 AM
Solar Noon 12:19 PM
Sunset 5:45 PM
Moon
Waxing Crescent • 31%
Moonrise 12:09 PM
Transit 5:34 PM
Moonset 11:04 PM

Best Times for Fishing or Hunting

Major Periods

4:41 AM - 7:11 AM
5:04 PM - 7:34 PM

Minor Periods

11:39 AM - 1:09 PM
10:34 PM - 12:04 AM
Action Rating:
Good Action 3/5
Monday, November 16, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 76.3°F
Average Humidity: 71%
Chance of Rain: 12%
Wind: 14 mph
UV Index: 5.6

Air Quality

EPA Index 1 • Good
PM2.5
2.2 μg/m³
Good
PM10
2.6 μg/m³
Good
Ozone (O3)
58.7 μg/m³
Photochemical
NO2
2.3 μg/m³
Nitrogen Dioxide
SO2
1.1 μg/m³
Sulfur Dioxide
CO
130.6 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 50m daylight
Sunrise 6:55 AM
Solar Noon 12:20 PM
Sunset 5:45 PM
Moon
First Quarter • 42%
Moonrise 12:43 PM
Transit 6:18 PM
Moonset 1:09 AM

Best Times for Fishing or Hunting

Major Periods

5:26 AM - 7:56 AM
5:48 PM - 8:18 PM

Minor Periods

12:39 AM - 2:09 AM
12:13 PM - 1:43 PM
Action Rating:
Good Action 3/5
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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