Water Temperature of the Pecos River in Grandfalls, TX

Current Water Temperature

83.3°F

Measurement Time: Tuesday, July 14, 2026, 6:45 PM CDT

Temperature Locations

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Local Points of Interest

Coyanosa, TX

Pecos River

Station Name: Pecos Rv at RR 1776 nr Grandfalls, TX
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 2,454 feet

Nearest Address:
Ranch Rd 1776
Grandfalls, TX 79730
Pecos County

GPS Coordinates: 31.3668055, -103.0059908

Nearby Water Temperatures

Pecos River, Girvin, TX (38.9 mi)
Pecos River, Orla, TX (59.8 mi)
Pecos River, Red Bluff, NM (78 mi)
Pecos River, Malaga, NM (83.4 mi)
Pecos River, Sheffield, TX (88 mi)
Black River, Malaga, NM (92.2 mi)
Caroline Springs, Sheffield, TX (94.5 mi)
Pecos River, Carlsbad, NM (101.1 mi)
Pecos River, Pandale, TX (104.5 mi)
Rio Grande, Langtry, TX (132.4 mi)
Pecos River, Langtry, TX (142.4 mi)
Devils River, Juno, TX (147.1 mi)
Rio Grande, Presidio, TX (148.7 mi)
Rio Grande River, Ojinaga, MX (149.2 mi)
Rio Grande, Big Bend National Park, TX (150.9 mi)

Weather for Grandfalls, Texas

Current Weather

71.4°F
Clear
Clear
57.2°F
76°F
90%
SSE 12.5 mph
16.3 mph
71.4°F
68.3°F
0 in
0%
6 mi
1015 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 87°F
L: 69°F
Patchy rain nearby
Thu
H: 79°F
L: 70°F
Patchy rain nearby
Fri
H: 86°F
L: 68°F
Sunny
Sat
H: 92°F
L: 72°F
Sunny
Sun
H: 94°F
L: 75°F

Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 8.7 μg/m3
Carbon Monoxide: 106 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 44 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:58 PM
Sunset: 8:58 PM
Daylight: 13 hrs 59 mins
Moonrise: 8:16 AM
Moon Transit: 3:22 PM
Moonset: 10:19 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
2:52 PM - 5:22 PM

Minor Periods

9:49 PM - 11:19 PM
7:46 AM - 9:16 AM

Action Rating: 3 out of 5

Flood Watch issued July 14 at 1:51PM CDT until July 16 at 7:00PM CDT by NWS Midland/Odessa TX

Effective: Tue July 14, 2026, 1:51 PM
Expires: Wed July 15, 2026, 7:00 AM

* WHAT...Flash flooding caused by excessive rainfall remains possible. * WHERE...Portions of southwest and western Texas, including the following areas, in southwest Texas, Central Brewster, Chinati Mountains, Chisos Basin, Davis Mountains, Davis Mountains Foothills, Lower Brewster County, Marfa Plateau, Pecos, Presidio Valley and Terrell. In western Texas, Crane, Reagan, Reeves County Plains, Upton and Ward. * WHEN...Through Thursday evening. * IMPACTS...Excessive runoff may result in significant flooding of rivers, creeks, streams, urban areas, highways, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - A slow moving upper level system will interact with abundant moisture to bring multiple rounds of showers and thunderstorms capable of producing heavy rainfall over the Watch area through early Thursday evening. Additional rainfall amounts of 2 to 4 inches with very localized totals of 6 to 8 inches will be possible early Thursday evening. Excessive runoff from heavy rain may result in areas of flash flooding over the southern Permian Basin, the Trans Pecos, Davis Mountains, Marfa Plateau, and Big Bend region. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Wednesday, July 15, 2026

Weather Forecast

Sunny
86.8°F
69.3°F
75.2°F
73%
0.22 in
68%
0%
22.8 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 5.94 μg/m3
PM10: 7.69 μg/m3
Carbon Monoxide: 102.79 μg/m3
Nitrogen Dioxide: 1.24 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 53.54 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:58 PM
Sunset: 8:58 PM
Daylight: 13 hrs 59 mins
Moonrise: 8:16 AM
Moon Transit: 3:22 PM
Moonset: 10:19 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:35 AM - 3:05 AM
2:52 PM - 5:22 PM

Minor Periods

9:49 PM - 11:19 PM
7:46 AM - 9:16 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Patchy rain nearby
79.1°F
70.3°F
73.5°F
73%
0.11 in
68%
0%
23.3 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 2.61 μg/m3
PM10: 3.59 μg/m3
Carbon Monoxide: 99.21 μg/m3
Nitrogen Dioxide: 1.04 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 60.54 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:58 PM
Sunset: 8:57 PM
Daylight: 13 hrs 59 mins
Moonrise: 9:27 AM
Moon Transit: 4:15 PM
Moonset: 10:54 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

1:31 AM - 4:01 AM
3:45 PM - 6:15 PM

Minor Periods

10:24 PM - 11:54 PM
8:57 AM - 10:27 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Patchy rain nearby
85.8°F
67.8°F
75.1°F
68%
0.06 in
57%
0%
22.6 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 3.01 μg/m3
PM10: 4.28 μg/m3
Carbon Monoxide: 101.79 μg/m3
Nitrogen Dioxide: 1.09 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 59.29 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:58 PM
Sunset: 8:57 PM
Daylight: 13 hrs 58 mins
Moonrise: 10:34 AM
Moon Transit: 5:03 PM
Moonset: 11:25 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

2:22 AM - 4:52 AM
4:33 PM - 7:03 PM

Minor Periods

12:00 AM - 12:00 AM
10:04 AM - 11:34 AM

Action Rating: 2 out of 5

Saturday, July 18, 2026

Weather Forecast

Sunny
91.6°F
71.6°F
81°F
53%
0.04 in
57%
0%
23.5 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 6.96 μg/m3
PM10: 10.39 μg/m3
Carbon Monoxide: 106.33 μg/m3
Nitrogen Dioxide: 1.15 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 60.88 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:58 PM
Sunset: 8:56 PM
Daylight: 13 hrs 57 mins
Moonrise: 11:36 AM
Moon Transit: 5:48 PM
Moonset: 12:25 AM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
5:18 PM - 7:48 PM

Minor Periods

11:06 AM - 12:36 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
93.6°F
74.7°F
84.1°F
42%
0 in
1%
0%
22.1 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 11.66 μg/m3
PM10: 17.83 μg/m3
Carbon Monoxide: 134.5 μg/m3
Nitrogen Dioxide: 2.66 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 46.5 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 1:58 PM
Sunset: 8:56 PM
Daylight: 13 hrs 55 mins
Moonrise: 12:37 AM
Moon Transit: 6:32 PM
Moonset: 12:53 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

3:53 AM - 6:23 AM
6:02 PM - 8:32 PM

Minor Periods

12:07 AM - 1:37 PM
12:00 AM - 12:00 AM

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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