Water Temperature of the Pecos River in Grandfalls, TX
Current Water Temperature
71.6°F
Measurement Time: Saturday, May 23, 2026, 7:45 AM CDT
Temperature Locations
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Local Points of Interest
Coyanosa, TXPecos 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
86.2°F

Sunny
82.2°F
91.8°F
22%
SW 3.4 mph
3.9 mph
94.4°F
48.1°F
0 in
0%
9 mi
1014 mbar
7.5
Five Day Weather Forecast

Sat
H: 98°F
L: 68°F

Sun
H: 90°F
L: 67°F

Mon
H: 91°F
L: 69°F

Tue
H: 86°F
L: 68°F

Wed
H: 92°F
L: 66°F
Air Quality
AQI:
1 - Good
PM2.5:
5.05 μg/m3
PM10:
7.45 μg/m3
Carbon Monoxide: 119.85 μg/m3
Nitrogen Dioxide: 1.15 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 109 μg/m3
Nitrogen Dioxide: 1.15 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 109 μg/m3
Astronomical
Sunrise: 6:52 AM
Sun Transit: 1:48 PM
Sunset: 8:47 PM
Daylight: 13 hrs 55 mins
Sun Transit: 1:48 PM
Sunset: 8:47 PM
Daylight: 13 hrs 55 mins
Moonrise: 1:58 PM
Moon Transit: 8:31 PM
Moonset: 2:27 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Moon Transit: 8:31 PM
Moonset: 2:27 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
5:51 AM - 8:21 AM8:01 PM - 10:31 PM
Minor Periods
1:28 PM - 2:58 PM1:57 AM - 3:27 AM
Action Rating: 2 out of 5
Saturday, May 23, 2026
Weather Forecast
Sunny
97.7°F
67.5°F
80.4°F
38%
0 in
0%
0%
29.8 mph
7.7
Air Quality
AQI:
1 - Good
PM2.5:
7.93 μg/m3
PM10:
19.31 μg/m3
Carbon Monoxide: 128.73 μg/m3
Nitrogen Dioxide: 1.9 μg/m3
Sulphur Dioxide: 2.98 μg/m3
Ozone: 92.04 μg/m3
Nitrogen Dioxide: 1.9 μg/m3
Sulphur Dioxide: 2.98 μg/m3
Ozone: 92.04 μg/m3
Astronomical
Sunrise: 6:52 AM
Sun Transit: 1:48 PM
Sunset: 8:47 PM
Daylight: 13 hrs 55 mins
Sun Transit: 1:48 PM
Sunset: 8:47 PM
Daylight: 13 hrs 55 mins
Moonrise: 1:58 PM
Moon Transit: 8:31 PM
Moonset: 2:27 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Moon Transit: 8:31 PM
Moonset: 2:27 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
5:51 AM - 8:21 AM8:01 PM - 10:31 PM
Minor Periods
1:28 PM - 2:58 PM1:57 AM - 3:27 AM
Action Rating: 2 out of 5
Sunday, May 24, 2026
Weather Forecast
Patchy rain nearby
90.4°F
67.1°F
78.1°F
49%
0.01 in
66%
0%
20.8 mph
9.8
Air Quality
AQI:
1 - Good
PM2.5:
5.17 μg/m3
PM10:
11.8 μg/m3
Carbon Monoxide: 129.73 μg/m3
Nitrogen Dioxide: 1.51 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 84.68 μg/m3
Nitrogen Dioxide: 1.51 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 84.68 μg/m3
Astronomical
Sunrise: 6:51 AM
Sun Transit: 1:48 PM
Sunset: 8:47 PM
Daylight: 13 hrs 56 mins
Sun Transit: 1:48 PM
Sunset: 8:47 PM
Daylight: 13 hrs 56 mins
Moonrise: 2:58 PM
Moon Transit: 9:14 PM
Moonset: 2:56 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%
Moon Transit: 9:14 PM
Moonset: 2:56 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
6:36 AM - 9:06 AM8:44 PM - 11:14 PM
Minor Periods
2:28 PM - 3:58 PM2:26 AM - 3:56 AM
Action Rating: 4 out of 5
Monday, May 25, 2026
Weather Forecast
Sunny
90.9°F
69.3°F
80.2°F
43%
0 in
0%
0%
19.9 mph
10.1
Air Quality
AQI:
1 - Good
PM2.5:
5.45 μg/m3
PM10:
12.41 μg/m3
Carbon Monoxide: 128.05 μg/m3
Nitrogen Dioxide: 1.82 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 84.4 μg/m3
Nitrogen Dioxide: 1.82 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 84.4 μg/m3
Astronomical
Sunrise: 6:51 AM
Sun Transit: 1:49 PM
Sunset: 8:48 PM
Daylight: 13 hrs 57 mins
Sun Transit: 1:49 PM
Sunset: 8:48 PM
Daylight: 13 hrs 57 mins
Moonrise: 3:56 PM
Moon Transit: 9:56 PM
Moonset: 3:23 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%
Moon Transit: 9:56 PM
Moonset: 3:23 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%
Best Times for Fishing or Hunting
Major Periods
7:18 AM - 9:48 AM9:26 PM - 11:56 PM
Minor Periods
3:26 PM - 4:56 PM2:53 AM - 4:23 AM
Action Rating: 3 out of 5
Tuesday, May 26, 2026
Weather Forecast
Moderate rain
85.7°F
68°F
76.3°F
55%
0.57 in
89%
0%
25.5 mph
9.6
Air Quality
AQI:
1 - Good
PM2.5:
4.32 μg/m3
PM10:
9.53 μg/m3
Carbon Monoxide: 127.99 μg/m3
Nitrogen Dioxide: 1.73 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 87 μg/m3
Nitrogen Dioxide: 1.73 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 87 μg/m3
Astronomical
Sunrise: 6:50 AM
Sun Transit: 1:49 PM
Sunset: 8:49 PM
Daylight: 13 hrs 58 mins
Sun Transit: 1:49 PM
Sunset: 8:49 PM
Daylight: 13 hrs 58 mins
Moonrise: 4:53 PM
Moon Transit: 10:38 PM
Moonset: 3:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%
Moon Transit: 10:38 PM
Moonset: 3:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
8:00 AM - 10:30 AM12:00 AM - 12:00 AM
Minor Periods
4:23 PM - 5:53 PM3:20 AM - 4:50 AM
Action Rating: 2 out of 5
Wednesday, May 27, 2026
Weather Forecast
Sunny
91.8°F
65.5°F
78°F
50%
0 in
0%
0%
18.6 mph
0
Air Quality
AQI:
1 - Good
PM2.5:
3.51 μg/m3
PM10:
3.66 μg/m3
Carbon Monoxide: 149.23 μg/m3
Nitrogen Dioxide: 2.27 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 74.31 μg/m3
Nitrogen Dioxide: 2.27 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 74.31 μg/m3
Astronomical
Sunrise: 6:50 AM
Sun Transit: 1:49 PM
Sunset: 8:49 PM
Daylight: 13 hrs 59 mins
Sun Transit: 1:49 PM
Sunset: 8:49 PM
Daylight: 13 hrs 59 mins
Moonrise: 5:50 PM
Moon Transit: 11:21 PM
Moonset: 4:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%
Moon Transit: 11:21 PM
Moonset: 4:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%
Best Times for Fishing or Hunting
Major Periods
8:42 AM - 11:12 AM12:00 AM - 12:00 AM
Minor Periods
5:20 PM - 6:50 PM3:48 AM - 5:18 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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