Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

41.4°F

Measurement Time: Sunday, February 22, 2026, 9:30 AM MST

Temperature Locations

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Local Points of Interest

Florence, CO; Penrose, CO

Arkansas River

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

Elevation Above Sea Level: 5,043 feet

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 mi)
South Platte River, Denver, CO (98.4 mi)

Weather for Portland, Colorado

Current Weather

82.8°F
Partly cloudy
Partly cloudy
91.4°F
89.1°F
89%
SW 12.8 mph
17.7 mph
81.7°F
75.5°F
0 in
50%
4 mi
1012 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 85°F
L: 81°F
Patchy rain nearby
Tue
H: 85°F
L: 81°F
Patchy rain nearby
Wed
H: 85°F
L: 81°F
Patchy rain nearby
Thu
H: 85°F
L: 81°F
Partly Cloudy
Fri
H: 84°F
L: 81°F

Air Quality

PM2.5: 31.05 μg/m3
PM10: 79.35 μg/m3
Carbon Monoxide: 409.85 μg/m3
Nitrogen Dioxide: 8.45 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:13 AM
Sunset: 5:47 PM
Daylight: 11 hrs 7 mins
Moonrise: 9:47 AM
Moon Transit: 5:25 PM
Moonset: 1:00 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
4:55 PM - 7:25 PM

Minor Periods

9:17 AM - 10:47 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, February 23, 2026

Weather Forecast

Patchy rain nearby
85.3°F
81.1°F
82.8°F
77%
0.01 in
87%
0%
16.1 mph
2


Air Quality

AQI: 2 - Moderate
PM2.5: 29.38 μg/m3
PM10: 82.87 μg/m3
Carbon Monoxide: 445.25 μg/m3
Nitrogen Dioxide: 5.89 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 68.72 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:13 AM
Sunset: 5:47 PM
Daylight: 11 hrs 7 mins
Moonrise: 9:47 AM
Moon Transit: 5:25 PM
Moonset: 1:00 AM
Moon Phase: First Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
4:55 PM - 7:25 PM

Minor Periods

9:17 AM - 10:47 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, February 24, 2026

Weather Forecast

Patchy rain nearby
85.2°F
81°F
82.8°F
75%
0.01 in
87%
0%
14.1 mph
2.2


Air Quality

AQI: 2 - Moderate
PM2.5: 35.83 μg/m3
PM10: 110.01 μg/m3
Carbon Monoxide: 482.69 μg/m3
Nitrogen Dioxide: 6.87 μg/m3
Sulphur Dioxide: 2.1 μg/m3
Ozone: 76.48 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:13 AM
Sunset: 5:48 PM
Daylight: 11 hrs 9 mins
Moonrise: 10:32 AM
Moon Transit: 6:26 PM
Moonset: 1:14 AM
Moon Phase: First Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

3:20 AM - 5:50 AM
5:56 PM - 8:26 PM

Minor Periods

10:02 AM - 11:32 AM
12:44 AM - 2:14 AM

Action Rating: 3 out of 5

Wednesday, February 25, 2026

Weather Forecast

Patchy rain nearby
84.5°F
81.3°F
82.6°F
74%
0.05 in
77%
0%
14.8 mph
2.2


Air Quality

AQI: 2 - Moderate
PM2.5: 32.19 μg/m3
PM10: 91.23 μg/m3
Carbon Monoxide: 530.42 μg/m3
Nitrogen Dioxide: 7.91 μg/m3
Sulphur Dioxide: 2.12 μg/m3
Ozone: 75.28 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:13 AM
Sunset: 5:49 PM
Daylight: 11 hrs 11 mins
Moonrise: 11:28 AM
Moon Transit: 7:28 PM
Moonset: 2:25 AM
Moon Phase: First Quarter
Moon Illumination: 62.3%

Best Times for Fishing or Hunting

Major Periods

4:21 AM - 6:51 AM
6:58 PM - 9:28 PM

Minor Periods

10:58 AM - 12:28 AM
1:55 AM - 3:25 AM

Action Rating: 3 out of 5

Thursday, February 26, 2026

Weather Forecast

Patchy rain nearby
84.6°F
81°F
82.7°F
74%
0.05 in
77%
0%
14.8 mph
2.3


Air Quality

AQI: 2 - Moderate
PM2.5: 29.43 μg/m3
PM10: 74.66 μg/m3
Carbon Monoxide: 342.94 μg/m3
Nitrogen Dioxide: 8.05 μg/m3
Sulphur Dioxide: 2.4 μg/m3
Ozone: 67.92 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:12 AM
Sunset: 5:50 PM
Daylight: 11 hrs 14 mins
Moonrise: 12:34 AM
Moon Transit: 8:30 PM
Moonset: 3:28 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

5:24 AM - 7:54 AM
8:00 PM - 10:30 PM

Minor Periods

12:04 AM - 1:34 PM
2:58 AM - 4:28 AM

Action Rating: 2 out of 5

Friday, February 27, 2026

Weather Forecast

Partly Cloudy
84.4°F
81.3°F
82.4°F
74%
0 in
0%
0%
16.3 mph
2.6


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:12 AM
Sunset: 5:51 PM
Daylight: 11 hrs 16 mins
Moonrise: 1:46 PM
Moon Transit: 9:30 PM
Moonset: 4:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

6:26 AM - 8:56 AM
9:00 PM - 11:30 PM

Minor Periods

1:16 PM - 2:46 PM
3:52 AM - 5:22 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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