Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

58.5°F

Measurement Time: Wednesday, June 4, 2025, 2:30 PM MDT

Temperature Locations

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Local Points of Interest

Florence, CO; Penrose, CO

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Arkansas River

Station Name: ARKANSAS RIVER AT PORTLAND, CO.
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 5,043 feet / 1,537 meters

Nearest Address:
State Hwy 120
Portland, CO 81226
Fremont County

GPS Coordinates: 38.38833418, -105.0160961

Nearby Water Temperatures

Arkansas River, Cañon City, CO (13.4 mi)
Fountain Creek, Pueblo, CO (23.5 mi)
Fountain Creek, Fountain, CO (23.8 mi)
Arkansas River, Pueblo, CO (24.1 mi)
Arkansas River, Pueblo, CO (24.3 mi)
Arkansas River, Avondale, CO (34.8 mi)
Arkansas River, Manzanola, CO (62.6 mi)
South Platte River, Roxborough Park, CO (71.4 mi)
Arkansas River, Rocky Ford, CO (75.6 mi)
Arkansas River, Granite, CO (81.1 mi)
South Platte River, Englewood, CO (88.2 mi)
Halfmoon Creek, Twin Lakes, CO (91.7 mi)
Purgatoire River, Trinchera, CO (93.7 mi)
Purgatoire River, Kim, CO (94.0 mi)
South Platte River, Denver, CO (98.4 mi)

Weather for Portland, Colorado

Current Weather

61°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 66%
Feels Like: 61°F
Wind: SSE 7.4 mph
Wind Gusts: 14 mph
Pressure: 30.06 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 61°F
L: 48°F
Patchy rain nearby
Thu
H: 69°F
L: 51°F
Moderate rain
Fri
H: 67°F
L: 50°F
Moderate rain
Sat
H: 77°F
L: 55°F
Moderate rain
Sun
H: 75°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 13.14 μg/m3
PM10: 16.28 μg/m3
Carbon Monoxide: 271.95 μg/m3
Nitrogen Dioxide: 21.28 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:58 AM
Sunset: 8:21 PM
Daylight: 14 hrs 44 mins
Moonrise: 2:24 PM
Moon Transit: 8:26 PM
Moonset: 1:59 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

5:33 AM - 8:03 AM
7:56 PM - 10:26 PM

Minor Periods

1:54 PM - 3:24 PM
1:29 AM - 2:59 AM

Action Rating: 4 out of 5

Hydrologic Outlook issued June 3 at 9:29AM MDT by NWS Pueblo CO

Effective: Tue June 3, 2025, 9:29 AM
Expires: Fri June 6, 2025, 6:00 PM

ESFPUB Risk of enhanced runoff and elevated stream flows from snowmelt ...EXISTING CONDITIONS... Warmer temperatures in the upper Arkansas River Valley has led to accelerated melting of the remaining, near normal mountain snowpack. This trend will likely continue for the remainder of the week. ...PRECIPITATION... Approximately 0.25 to 0.5 inches of rain over the next 72 hours may fall over much of the area of concern. The potential for some rain- on-snow, along with warmer temperatures, could accelerate melting of the remaining snowpack. ...STREAMFLOW CONDITIONS AND RUNOFF FORECASTS... Streams and rivers in the area could see elevated flows of swift, cold water over the next several days. Low lying areas and valley floors could see some minor inundation from snowmelt. Stay away from fast moving water, exercise caution near riverbanks and stay alert to watches and warnings from the National Weather Service. You can also find additional weather and water products and forecasts at the NWS Pueblo website at: Https://www.weather.gov/pub


Hydrologic Outlook issued June 3 at 9:29AM MDT by NWS Pueblo CO

Effective: Tue June 3, 2025, 9:29 AM
Expires: Fri June 6, 2025, 6:00 PM

ESFPUB Risk of enhanced runoff and elevated stream flows from snowmelt ...EXISTING CONDITIONS... Warmer temperatures in the upper Arkansas River Valley has led to accelerated melting of the remaining, near normal mountain snowpack. This trend will likely continue for the remainder of the week. ...PRECIPITATION... Approximately 0.25 to 0.5 inches of rain over the next 72 hours may fall over much of the area of concern. The potential for some rain- on-snow, along with warmer temperatures, could accelerate melting of the remaining snowpack. ...STREAMFLOW CONDITIONS AND RUNOFF FORECASTS... Streams and rivers in the area could see elevated flows of swift, cold water over the next several days. Low lying areas and valley floors could see some minor inundation from snowmelt. Stay away from fast moving water, exercise caution near riverbanks and stay alert to watches and warnings from the National Weather Service. You can also find additional weather and water products and forecasts at the NWS Pueblo website at: Https://www.weather.gov/pub


Wednesday, June 4, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 53.2°F
Average Humidity: 89%
Chance of Rain: 85%
Wind: 12.8 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 16.8 μg/m3
PM10: 24.33 μg/m3
Carbon Monoxide: 293.26 μg/m3
Nitrogen Dioxide: 4.82 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 96.56 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:58 AM
Sunset: 8:21 PM
Daylight: 14 hrs 44 mins
Moonrise: 2:24 PM
Moon Transit: 8:26 PM
Moonset: 1:59 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

5:33 AM - 8:03 AM
7:56 PM - 10:26 PM

Minor Periods

1:54 PM - 3:24 PM
1:29 AM - 2:59 AM

Action Rating: 4 out of 5

Thursday, June 5, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 59.9°F
Average Humidity: 76%
Chance of Rain: 86%
Wind: 18.6 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 14.3 μg/m3
PM10: 18.14 μg/m3
Carbon Monoxide: 279.35 μg/m3
Nitrogen Dioxide: 15.15 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 83.96 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:58 AM
Sunset: 8:21 PM
Daylight: 14 hrs 45 mins
Moonrise: 3:22 PM
Moon Transit: 9:05 PM
Moonset: 2:20 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

6:12 AM - 8:42 AM
8:35 PM - 11:05 PM

Minor Periods

2:52 PM - 4:22 PM
1:50 AM - 3:20 AM

Action Rating: 3 out of 5

Friday, June 6, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 58.3°F
Average Humidity: 84%
Chance of Rain: 84%
Wind: 14.8 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 9.31 μg/m3
PM10: 10.63 μg/m3
Carbon Monoxide: 292.82 μg/m3
Nitrogen Dioxide: 9.41 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 91.24 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:58 AM
Sunset: 8:22 PM
Daylight: 14 hrs 46 mins
Moonrise: 4:22 PM
Moon Transit: 9:46 PM
Moonset: 2:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

6:52 AM - 9:22 AM
9:16 PM - 11:46 PM

Minor Periods

3:52 PM - 5:22 PM
2:11 AM - 3:41 AM

Action Rating: 2 out of 5

Saturday, June 7, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 64.6°F
Average Humidity: 64%
Chance of Rain: 87%
Wind: 11.6 mph
UV Index: 2.7

Air Quality

AQI: 1 - Good
PM2.5: 10.52 μg/m3
PM10: 13.39 μg/m3
Carbon Monoxide: 313.91 μg/m3
Nitrogen Dioxide: 10.35 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 98.6 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:22 PM
Daylight: 14 hrs 46 mins
Moonrise: 5:22 PM
Moon Transit: 10:29 PM
Moonset: 3:04 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

7:34 AM - 10:04 AM
12:00 AM - 12:00 AM

Minor Periods

4:52 PM - 6:22 PM
2:34 AM - 4:04 AM

Action Rating: 2 out of 5

Sunday, June 8, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 62.2°F
Average Humidity: 58%
Chance of Rain: 81%
Wind: 18.1 mph
UV Index: 2.6

Air Quality

AQI: 1 - Good
PM2.5: 14.33 μg/m3
PM10: 18.81 μg/m3
Carbon Monoxide: 366.16 μg/m3
Nitrogen Dioxide: 21.9 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:23 PM
Daylight: 14 hrs 47 mins
Moonrise: 6:24 PM
Moon Transit: 11:15 PM
Moonset: 3:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

8:18 AM - 10:48 AM
12:00 AM - 12:00 AM

Minor Periods

5:54 PM - 7:24 PM
3:00 AM - 4:30 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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