Water Temperature of the Arkansas River in Hasty, CO

Current Water Temperature

76.3°F

Measurement Time: Saturday, July 25, 2026, 11:00 PM MDT

Temperature Locations

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Local Points of Interest

John Martin Reservoir; Lake Hasty

Arkansas River

Station Name: ARKANSAS RIVER BELOW JOHN MARTIN RESERVOIR, CO.
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 3,763 feet

Nearest Address:
John Martin Reservoir State Park
Hasty, CO 81044
Bent County

GPS Coordinates: 38.06639635, -102.9324228

Nearby Water Temperatures

Arkansas River, Las Animas, CO (15.7 mi)
Arkansas River, Rocky Ford, CO (41 mi)
Purgatoire River, Kim, CO (47.5 mi)
Arkansas River, Manzanola, CO (53.4 mi)
Purgatoire River, Trinchera, CO (72.1 mi)
Arkansas River, Avondale, CO (80.7 mi)
Arkansas River, Pueblo, CO (91.7 mi)
Arkansas River, Pueblo, CO (91.8 mi)
Fountain Creek, Pueblo, CO (91.9 mi)
Fountain Creek, Fountain, CO (101.2 mi)
Arkansas River, Portland, CO (115.3 mi)
Arkansas River, Cañon City, CO (128.7 mi)
South Platte River, Roxborough Park, CO (151.6 mi)
South Platte River, Englewood, CO (156.9 mi)
South Platte River, Denver, CO (162.5 mi)

Weather for Hasty, Colorado

Current Weather

73.2°F
Clear
Clear
63.7°F
76.9°F
69%
WSW 4 mph
8.5 mph
73.2°F
62.6°F
0 in
0%
6 mi
1009 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 109°F
L: 73°F
Sunny
Mon
H: 106°F
L: 79°F
Sunny
Tue
H: 103°F
L: 79°F
Sunny
Wed
H: 105°F
L: 78°F
Sunny
Thu
H: 105°F
L: 74°F

Air Quality

AQI: 1 - Good
PM2.5: 7.4 μg/m3
PM10: 10.7 μg/m3
Carbon Monoxide: 103 μg/m3
Nitrogen Dioxide: 4.6 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 12:58 AM
Sunset: 8:06 PM
Daylight: 14 hrs 17 mins
Moonrise: 6:35 PM
Moon Transit: 11:06 PM
Moonset: 2:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

8:23 AM - 10:53 AM
12:00 AM - 12:00 AM

Minor Periods

6:05 PM - 7:35 PM
2:15 AM - 3:45 AM

Action Rating: 2 out of 5

Heat Advisory issued July 25 at 4:01PM MDT until July 26 at 9:00PM MDT by NWS Pueblo CO

Effective: Sat July 25, 2026, 4:01 PM
Expires: Sun July 26, 2026, 12:15 AM

* WHAT...Temperatures of 100 to 105 expected. * WHERE...Kiowa County. * WHEN...From 10 AM to 9 PM MDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued July 25 at 8:56PM MDT until July 26 at 9:00PM MDT by NWS Pueblo CO

Effective: Sat July 25, 2026, 8:56 PM
Expires: Sun July 26, 2026, 5:00 AM

* WHAT...Temperatures of 100 to 105 expected. * WHERE...Kiowa County. * WHEN...From 10 AM to 9 PM MDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Sunday, July 26, 2026

Weather Forecast

Sunny
108.9°F
73°F
92.3°F
31%
0 in
17%
0%
9.4 mph
11.3


Air Quality

AQI: 1 - Good
PM2.5: 5.86 μg/m3
PM10: 10.03 μg/m3
Carbon Monoxide: 101.58 μg/m3
Nitrogen Dioxide: 2.11 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 79.67 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 12:58 AM
Sunset: 8:06 PM
Daylight: 14 hrs 17 mins
Moonrise: 6:35 PM
Moon Transit: 11:06 PM
Moonset: 2:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

8:23 AM - 10:53 AM
12:00 AM - 12:00 AM

Minor Periods

6:05 PM - 7:35 PM
2:15 AM - 3:45 AM

Action Rating: 2 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
106.4°F
78.6°F
92°F
28%
0 in
17%
0%
21.7 mph
11.2


Air Quality

AQI: 1 - Good
PM2.5: 5.14 μg/m3
PM10: 9.43 μg/m3
Carbon Monoxide: 104.13 μg/m3
Nitrogen Dioxide: 2.05 μg/m3
Sulphur Dioxide: 0.39 μg/m3
Ozone: 85.42 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 12:58 AM
Sunset: 8:06 PM
Daylight: 14 hrs 15 mins
Moonrise: 7:17 PM
Moon Transit: 11:56 PM
Moonset: 3:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

9:14 AM - 11:44 AM
12:00 AM - 12:00 AM

Minor Periods

6:47 PM - 8:17 PM
3:10 AM - 4:40 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
102.8°F
79°F
87.9°F
35%
0.02 in
36%
0%
26.8 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 5.86 μg/m3
PM10: 10.01 μg/m3
Carbon Monoxide: 106.21 μg/m3
Nitrogen Dioxide: 2.83 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 82.71 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 12:58 AM
Sunset: 8:05 PM
Daylight: 14 hrs 13 mins
Moonrise: 7:53 PM
Moon Transit: 12:00 AM
Moonset: 4:41 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

7:23 PM - 8:53 PM
4:11 AM - 5:41 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
105.2°F
77.5°F
88°F
39%
0.02 in
36%
0%
24.2 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 7.45 μg/m3
PM10: 14.67 μg/m3
Carbon Monoxide: 109.43 μg/m3
Nitrogen Dioxide: 3.02 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:58 AM
Sunset: 8:04 PM
Daylight: 14 hrs 12 mins
Moonrise: 8:24 PM
Moon Transit: 12:45 AM
Moonset: 5:44 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:15 AM - 2:45 AM
10:52 AM - 1:22 PM

Minor Periods

7:54 PM - 9:24 PM
5:14 AM - 6:44 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
104.5°F
74.1°F
89.7°F
37%
0 in
2%
0%
14.8 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 3.7 μg/m3
PM10: 4.69 μg/m3
Carbon Monoxide: 139 μg/m3
Nitrogen Dioxide: 7.74 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 43.86 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 12:58 AM
Sunset: 8:03 PM
Daylight: 14 hrs 10 mins
Moonrise: 8:51 PM
Moon Transit: 1:31 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
11:37 AM - 2:07 PM

Minor Periods

8:21 PM - 9:51 PM
6:17 AM - 7:47 AM

Action Rating: 5 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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