Water Temperature of the Rio Grande in Roma, TX

Current Water Temperature

88.5°F

Measurement Time: Saturday, August 1, 2026, 10:15 AM CST

Temperature Locations

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Local Points of Interest

Ciudad Miguel Alemán, Mexico

Rio Grande

Station Name: Rio Grande at Roma, TX
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 164 feet

Nearest Address:
20 Sebastian St
Roma, TX 78584
Starr County

GPS Coordinates: 26.40034048, -99.0169745

Nearby Water Temperatures

Rio Grande, Rio Grande City, TX (14 mi)
Rio Grande, Mission, TX (40.8 mi)
Rio Grande, Mission, TX (43.4 mi)
Rio Grande, Mission, TX (46 mi)
Rio Grande, Mercedes, TX (73.1 mi)
Rio Grande, Los Indios, TX (81.4 mi)
Laguna Madre, Armstrong, TX (99.5 mi)
Laguna Madre, Bayview, TX (107.7 mi)
Port Isabel Channel, Port Isabel, TX (114.1 mi)
Laguna Madre, South Padre Island, TX (116.9 mi)
Baffin Bay, Kingsville, TX (117.1 mi)
Brownsville Ship Channel, South Padre Island, TX (117.7 mi)
Gulf Intracoastal Waterway, Corpus Christi, TX (128.7 mi)
Nueces River, San Patricio, TX (130.8 mi)
Nueces River, Odem, TX (134 mi)

Weather for Roma, Texas

Current Weather

106.6°F
Overcast
Overcast
117.9°F
114.3°F
23%
SE 6.9 mph
8 mph
104.9°F
68.8°F
0 in
100%
10 mi
1010 mbar
4.3

Five Day Weather Forecast

Sunny
Sat
H: 105°F
L: 80°F
Sunny
Sun
H: 104°F
L: 81°F
Sunny
Mon
H: 105°F
L: 81°F
Sunny
Tue
H: 106°F
L: 80°F
Sunny
Wed
H: 106°F
L: 80°F

Air Quality

AQI: 1 - Good
PM2.5: 5.9 μg/m3
PM10: 8.2 μg/m3
Carbon Monoxide: 118 μg/m3
Nitrogen Dioxide: 0.6 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:42 AM
Sunset: 7:23 PM
Daylight: 13 hrs 21 mins
Moonrise: 9:20 PM
Moon Transit: 2:43 AM
Moonset: 8:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:13 AM - 4:43 AM
1:20 PM - 3:50 PM

Minor Periods

8:50 PM - 10:20 PM
8:13 AM - 9:43 AM

Action Rating: 2 out of 5

Special Weather Statement issued July 31 at 10:40PM CDT by NWS Brownsville TX

Effective: Fri July 31, 2026, 9:40 PM
Expires: Sat August 1, 2026, 5:00 PM

The combination of hot temperatures and humidity will produce heat index values between 105 and 111 degrees for several hours Saturday afternoon into Saturday 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. ATE
Saturday, August 1, 2026

Weather Forecast

Sunny
105.3°F
79.7°F
91.6°F
58%
0 in
3%
0%
24.4 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 5.83 μg/m3
PM10: 8.13 μg/m3
Carbon Monoxide: 109.75 μg/m3
Nitrogen Dioxide: 1.44 μg/m3
Sulphur Dioxide: 1.53 μg/m3
Ozone: 53.92 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:42 AM
Sunset: 7:23 PM
Daylight: 13 hrs 21 mins
Moonrise: 9:20 PM
Moon Transit: 2:43 AM
Moonset: 8:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:13 AM - 4:43 AM
1:20 PM - 3:50 PM

Minor Periods

8:50 PM - 10:20 PM
8:13 AM - 9:43 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Sunny
104.1°F
81°F
89.3°F
58%
0.16 in
57%
0%
26.2 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 6.07 μg/m3
PM10: 8.95 μg/m3
Carbon Monoxide: 108.79 μg/m3
Nitrogen Dioxide: 1.33 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 50.63 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:42 AM
Sunset: 7:22 PM
Daylight: 13 hrs 20 mins
Moonrise: 9:51 PM
Moon Transit: 4:50 PM
Moonset: 9:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

4:20 PM - 6:50 PM
4:20 PM - 6:50 PM

Minor Periods

9:21 PM - 10:51 PM
9:09 AM - 10:39 AM

Action Rating: 2 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
105°F
81.4°F
91°F
47%
0 in
2%
0%
25.3 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 14.15 μg/m3
PM10: 23.96 μg/m3
Carbon Monoxide: 109.13 μg/m3
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 56.25 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:42 AM
Sunset: 7:21 PM
Daylight: 13 hrs 19 mins
Moonrise: 10:23 PM
Moon Transit: 4:10 AM
Moonset: 10:36 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
2:48 PM - 5:18 PM

Minor Periods

9:53 PM - 11:23 PM
10:06 AM - 11:36 AM

Action Rating: 3 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
105.6°F
80.2°F
90.9°F
51%
0 in
3%
0%
27.5 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 14.8 μg/m3
PM10: 23.3 μg/m3
Carbon Monoxide: 113.24 μg/m3
Nitrogen Dioxide: 1.33 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 55.46 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:42 AM
Sunset: 7:21 PM
Daylight: 13 hrs 18 mins
Moonrise: 10:58 PM
Moon Transit: 4:55 AM
Moonset: 11:35 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:25 AM - 6:55 AM
3:35 PM - 6:05 PM

Minor Periods

10:28 PM - 11:58 PM
11:05 AM - 12:35 AM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Sunny
106.2°F
80°F
90.7°F
54%
0 in
3%
0%
28 mph
11.6


Air Quality

AQI: 1 - Good
PM2.5: 13.76 μg/m3
PM10: 19.7 μg/m3
Carbon Monoxide: 134.5 μg/m3
Nitrogen Dioxide: 1.81 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 41.38 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 12:42 AM
Sunset: 7:20 PM
Daylight: 13 hrs 17 mins
Moonrise: 11:39 PM
Moon Transit: 5:44 AM
Moonset: 12:39 AM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:14 AM - 7:44 AM
4:26 PM - 6:56 PM

Minor Periods

12:00 AM - 12:00 AM
12:09 AM - 1:39 PM

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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