Water Temperature of the Arkansas River in Hasty, CO

Current Water Temperature

71.2°F

Measurement Time: Thursday, September 18, 2025, 7:00 AM MDT

Temperature Locations

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Local Points of Interest

John Martin Reservoir; Lake Hasty

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Arkansas River

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

Elevation Above Sea Level: 3,763 feet / 1,147 meters

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 (41.0 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

73.9°F
Sunny
Conditions: Sunny
Humidity: 46%
Feels Like: 76.3°F
Wind: ENE 2.9 mph
Wind Gusts: 3.4 mph
Pressure: 30.14 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 6.8

Five Day Weather Forecast

Moderate rain
Thu
H: 79°F
L: 55°F
Partly Cloudy
Fri
H: 86°F
L: 55°F
Partly Cloudy
Sat
H: 85°F
L: 60°F
Sunny
Sun
H: 87°F
L: 63°F
Patchy rain nearby
Mon
H: 85°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 5.37 μg/m3
PM10: 6.29 μg/m3
Carbon Monoxide: 284.9 μg/m3
Nitrogen Dioxide: 8.51 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:45 AM
Sunset: 6:54 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:14 AM
Moon Transit: 10:30 AM
Moonset: 5:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

8:37 PM - 11:07 PM
10:00 AM - 12:30 AM

Minor Periods

5:05 PM - 6:35 PM
2:44 AM - 4:14 AM

Action Rating: 3 out of 5

Thursday, September 18, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 66.5°F
Average Humidity: 66%
Chance of Rain: 88%
Wind: 12.8 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 6.59 μg/m3
PM10: 8.75 μg/m3
Carbon Monoxide: 255.45 μg/m3
Nitrogen Dioxide: 4.48 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 91.76 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:45 AM
Sunset: 6:54 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:14 AM
Moon Transit: 10:30 AM
Moonset: 5:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

8:37 PM - 11:07 PM
10:00 AM - 12:30 AM

Minor Periods

5:05 PM - 6:35 PM
2:44 AM - 4:14 AM

Action Rating: 3 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 70.5°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 6.84 μg/m3
PM10: 16.29 μg/m3
Carbon Monoxide: 260.78 μg/m3
Nitrogen Dioxide: 6.29 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 83.44 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:45 AM
Sunset: 6:53 PM
Daylight: 12 hrs 15 mins
Moonrise: 4:22 AM
Moon Transit: 11:16 AM
Moonset: 6:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

9:21 PM - 11:51 PM
10:46 AM - 1:16 PM

Minor Periods

5:31 PM - 7:01 PM
3:52 AM - 5:22 AM

Action Rating: 3 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 71.9°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 9.42 μg/m3
PM10: 25.36 μg/m3
Carbon Monoxide: 279.79 μg/m3
Nitrogen Dioxide: 4.22 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 83.2 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:44 AM
Sunset: 6:51 PM
Daylight: 12 hrs 13 mins
Moonrise: 5:25 AM
Moon Transit: 12:00 AM
Moonset: 6:24 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:30 AM - 2:00 PM

Minor Periods

5:54 PM - 7:24 PM
4:55 AM - 6:25 AM

Action Rating: 3 out of 5

Sunday, September 21, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 74.3°F
Average Humidity: 52%
Chance of Rain: 0%
Wind: 9.2 mph
UV Index: 1.7

Air Quality

AQI: 1 - Good
PM2.5: 7.13 μg/m3
PM10: 9.4 μg/m3
Carbon Monoxide: 265.59 μg/m3
Nitrogen Dioxide: 9.83 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 77.56 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:44 AM
Sunset: 6:50 PM
Daylight: 12 hrs 11 mins
Moonrise: 6:28 AM
Moon Transit: 12:41 AM
Moonset: 6:45 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:11 AM - 2:41 PM

Minor Periods

6:15 PM - 7:45 PM
5:58 AM - 7:28 AM

Action Rating: 3 out of 5

Monday, September 22, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 71.7°F
Average Humidity: 42%
Chance of Rain: 80%
Wind: 27.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 7.41 μg/m3
PM10: 12.82 μg/m3
Carbon Monoxide: 268.68 μg/m3
Nitrogen Dioxide: 8.64 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 73.15 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:44 AM
Sunset: 6:48 PM
Daylight: 12 hrs 8 mins
Moonrise: 7:27 AM
Moon Transit: 1:21 PM
Moonset: 7:06 PM
Moon Phase: New
Moon Illumination: 2.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:51 AM - 3:21 PM

Minor Periods

6:36 PM - 8:06 PM
6:57 AM - 8:27 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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