Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

44.6°F

Measurement Time: Sunday, March 16, 2025, 7:30 AM 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

51.3°F
Sunny
Conditions: Sunny
Humidity: 13%
Feels Like: 48.3°F
Wind: SSW 8.1 mph
Wind Gusts: 9.3 mph
Pressure: 29.95 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 6

Five Day Weather Forecast

Sunny
Sun
H: 62°F
L: 22°F
Sunny
Mon
H: 71°F
L: 32°F
Partly Cloudy
Tue
H: 57°F
L: 21°F
Light freezing rain
Wed
H: 43°F
L: 18°F
Sunny
Thu
H: 58°F
L: 23°F

Air Quality

AQI: 2 - Moderate
PM2.5: 23.13 μg/m3
PM10: 27.01 μg/m3
Carbon Monoxide: 283.05 μg/m3
Nitrogen Dioxide: 31.82 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 79 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:00 AM
Sunset: 7:08 PM
Daylight: 11 hrs 59 mins
Moonrise: 9:45 PM
Moon Transit: 2:29 AM
Moonset: 8:04 AM
Moon Phase: Full
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

1:59 AM - 4:29 AM
12:15 AM - 2:45 PM

Minor Periods

9:15 PM - 10:45 PM
7:34 AM - 9:04 AM

Action Rating: 4 out of 5

Red Flag Warning issued March 16 at 10:30AM MDT until March 18 at 12:00AM MDT by NWS Pueblo CO

Effective: Sun March 16, 2025, 10:30 AM
Expires: Mon March 17, 2025, 2:30 AM

The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 11 AM Monday to midnight MDT Monday night. * AFFECTED AREA...Fire Weather Zone 221. * TIMING...From 11 AM Monday to midnight MDT Monday night. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...10 to 15 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued March 16 at 10:30AM MDT until March 18 at 12:00AM MDT by NWS Pueblo CO

Effective: Sun March 16, 2025, 10:30 AM
Expires: Mon March 17, 2025, 2:30 AM

* AFFECTED AREA...Fire Weather Zones 222, 224 and 226. * TIMING...From 11 AM Monday to midnight MDT Monday night. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...10 to 15 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued March 16 at 10:30AM MDT until March 18 at 12:00AM MDT by NWS Pueblo CO

Effective: Sun March 16, 2025, 10:30 AM
Expires: Mon March 17, 2025, 2:30 AM

The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from 11 AM Monday to midnight MDT Monday night. * AFFECTED AREA...Fire Weather Zone 221. * TIMING...From 11 AM Monday to midnight MDT Monday night. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...10 to 15 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued March 16 at 10:30AM MDT until March 18 at 12:00AM MDT by NWS Pueblo CO

Effective: Sun March 16, 2025, 10:30 AM
Expires: Mon March 17, 2025, 2:30 AM

* AFFECTED AREA...Fire Weather Zones 222, 224 and 226. * TIMING...From 11 AM Monday to midnight MDT Monday night. * WINDS...Southwest 20 to 30 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...10 to 15 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued March 16 at 10:30AM MDT until March 16 at 7:00PM MDT by NWS Pueblo CO

Effective: Sun March 16, 2025, 10:30 AM
Expires: Mon March 17, 2025, 2:30 AM

* AFFECTED AREA...Fire Weather Zones 227, 228, 231 and 234. * TIMING...For the first Red Flag Warning, until 7 PM MDT this evening. For the second Red Flag Warning, from 11 AM Monday to midnight MDT Monday night. For the third Red Flag Warning, from 11 AM to 8 PM MDT Tuesday. * WINDS...For today, west 15 to 25 mph, with gusts to 35 mph. For Monday and Tuesday, West 25 to 35 mph with gusts up to 50 mph.. * RELATIVE HUMIDITY...5 to 10 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Sunday, March 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 40.4°F
Average Humidity: 39%
Chance of Rain: 0%
Wind: 15.2 mph
UV Index: 1.5

Air Quality

AQI: 2 - Moderate
PM2.5: 18.98 μg/m3
PM10: 23.1 μg/m3
Carbon Monoxide: 356.68 μg/m3
Nitrogen Dioxide: 15.8 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 105.88 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:00 AM
Sunset: 7:08 PM
Daylight: 11 hrs 59 mins
Moonrise: 9:45 PM
Moon Transit: 2:29 AM
Moonset: 8:04 AM
Moon Phase: Full
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

1:59 AM - 4:29 AM
12:15 AM - 2:45 PM

Minor Periods

9:15 PM - 10:45 PM
7:34 AM - 9:04 AM

Action Rating: 4 out of 5

Monday, March 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 49.9°F
Average Humidity: 29%
Chance of Rain: 0%
Wind: 23.7 mph
UV Index: 1.3

Air Quality

AQI: 2 - Moderate
PM2.5: 16 μg/m3
PM10: 19.57 μg/m3
Carbon Monoxide: 336.33 μg/m3
Nitrogen Dioxide: 15.02 μg/m3
Sulphur Dioxide: 2.28 μg/m3
Ozone: 98.76 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:00 AM
Sunset: 7:09 PM
Daylight: 12 hrs 2 mins
Moonrise: 10:45 PM
Moon Transit: 3:09 AM
Moonset: 8:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

2:39 AM - 5:09 AM
12:57 AM - 3:27 PM

Minor Periods

10:15 PM - 11:45 PM
7:57 AM - 9:27 AM

Action Rating: 2 out of 5

Tuesday, March 18, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 42.8°F
Average Humidity: 38%
Chance of Rain: 0%
Wind: 34 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 11.87 μg/m3
PM10: 16.42 μg/m3
Carbon Monoxide: 279.79 μg/m3
Nitrogen Dioxide: 10.57 μg/m3
Sulphur Dioxide: 3.06 μg/m3
Ozone: 110.56 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:00 AM
Sunset: 7:10 PM
Daylight: 12 hrs 4 mins
Moonrise: 11:47 PM
Moon Transit: 3:52 AM
Moonset: 8:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
1:40 PM - 4:10 PM

Minor Periods

12:00 AM - 12:00 AM
8:23 AM - 9:53 AM

Action Rating: 2 out of 5

Wednesday, March 19, 2025

Weather Forecast

Conditions: Light freezing rain
Average Temperature: 29.2°F
Average Humidity: 38%
Chance of Rain: 86%
Wind: 18.1 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 8.43 μg/m3
PM10: 9.82 μg/m3
Carbon Monoxide: 310.95 μg/m3
Nitrogen Dioxide: 6.82 μg/m3
Sulphur Dioxide: 1.91 μg/m3
Ozone: 106.28 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:00 AM
Sunset: 7:11 PM
Daylight: 12 hrs 7 mins
Moonrise: 12:47 AM
Moon Transit: 4:37 AM
Moonset: 9:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

4:07 AM - 6:37 AM
2:27 PM - 4:57 PM

Minor Periods

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

Action Rating: 3 out of 5

Thursday, March 20, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 40.3°F
Average Humidity: 23%
Chance of Rain: 0%
Wind: 19 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 25.13 μg/m3
PM10: 27.24 μg/m3
Carbon Monoxide: 487.26 μg/m3
Nitrogen Dioxide: 29.33 μg/m3
Sulphur Dioxide: 1.74 μg/m3
Ozone: 98.62 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 2:38 AM
Sunset: 7:12 PM
Daylight: 12 hrs 9 mins
Moonrise: 12:49 AM
Moon Transit: 5:26 AM
Moonset: 10:00 AM
Moon Phase: Last Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

4:56 AM - 7:26 AM
3:17 PM - 5:47 PM

Minor Periods

9:30 AM - 11:00 AM
12:19 AM - 1:49 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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