Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

60.4°F

Measurement Time: Saturday, April 25, 2026, 2:30 PM MDT

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

54.5°F
Patchy rain nearby
Patchy rain nearby
51.6°F
54.5°F
35%
E 11 mph
12.6 mph
51.6°F
27.6°F
0 in
73%
6 mi
1006 mbar
0

Five Day Weather Forecast

Partly Cloudy
Sat
H: 65°F
L: 32°F
Patchy rain nearby
Sun
H: 68°F
L: 33°F
Patchy rain nearby
Mon
H: 63°F
L: 34°F
Sunny
Tue
H: 67°F
L: 39°F
Sunny
Wed
H: 66°F
L: 37°F

Air Quality

AQI: 1 - Good
PM2.5: 4.65 μg/m3
PM10: 14.15 μg/m3
Carbon Monoxide: 160.85 μg/m3
Nitrogen Dioxide: 5.15 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:58 AM
Sunset: 7:46 PM
Daylight: 13 hrs 36 mins
Moonrise: 2:01 PM
Moon Transit: 8:56 PM
Moonset: 3:14 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

5:59 AM - 8:29 AM
8:26 PM - 10:56 PM

Minor Periods

1:31 PM - 3:01 PM
2:44 AM - 4:14 AM

Action Rating: 3 out of 5

Saturday, April 25, 2026

Weather Forecast

Partly Cloudy
65.3°F
31.9°F
51.1°F
32%
0 in
0%
0%
11.6 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 2.31 μg/m3
PM10: 3.73 μg/m3
Carbon Monoxide: 151.29 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 104.84 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:58 AM
Sunset: 7:46 PM
Daylight: 13 hrs 36 mins
Moonrise: 2:01 PM
Moon Transit: 8:56 PM
Moonset: 3:14 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

5:59 AM - 8:29 AM
8:26 PM - 10:56 PM

Minor Periods

1:31 PM - 3:01 PM
2:44 AM - 4:14 AM

Action Rating: 3 out of 5

Sunday, April 26, 2026

Weather Forecast

Patchy rain nearby
67.7°F
33°F
49.5°F
53%
0.02 in
89%
0%
31.5 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 3.95 μg/m3
PM10: 10.05 μg/m3
Carbon Monoxide: 153.89 μg/m3
Nitrogen Dioxide: 3.3 μg/m3
Sulphur Dioxide: 1.41 μg/m3
Ozone: 96.52 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 12:57 AM
Sunset: 7:47 PM
Daylight: 13 hrs 38 mins
Moonrise: 3:07 PM
Moon Transit: 9:41 PM
Moonset: 3:40 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

6:45 AM - 9:15 AM
9:11 PM - 11:41 PM

Minor Periods

2:37 PM - 4:07 PM
3:10 AM - 4:40 AM

Action Rating: 2 out of 5

Monday, April 27, 2026

Weather Forecast

Patchy rain nearby
63.3°F
34.3°F
48.6°F
47%
0.11 in
83%
0%
18.8 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 2.6 μg/m3
PM10: 4.92 μg/m3
Carbon Monoxide: 129.13 μg/m3
Nitrogen Dioxide: 2.59 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 106.04 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 12:57 AM
Sunset: 7:48 PM
Daylight: 13 hrs 40 mins
Moonrise: 4:11 PM
Moon Transit: 10:23 PM
Moonset: 4:04 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.8%

Best Times for Fishing or Hunting

Major Periods

7:28 AM - 9:58 AM
12:00 AM - 12:00 AM

Minor Periods

3:41 PM - 5:11 PM
3:34 AM - 5:04 AM

Action Rating: 2 out of 5

Tuesday, April 28, 2026

Weather Forecast

Sunny
66.9°F
38.6°F
51.5°F
46%
0 in
0%
0%
23 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 3.8 μg/m3
PM10: 8 μg/m3
Carbon Monoxide: 148.45 μg/m3
Nitrogen Dioxide: 4.03 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 98.28 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:57 AM
Sunset: 7:49 PM
Daylight: 13 hrs 42 mins
Moonrise: 5:13 PM
Moon Transit: 11:05 PM
Moonset: 4:27 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

8:10 AM - 10:40 AM
12:00 AM - 12:00 AM

Minor Periods

4:43 PM - 6:13 PM
3:57 AM - 5:27 AM

Action Rating: 2 out of 5

Wednesday, April 29, 2026

Weather Forecast

Sunny
66.4°F
37.1°F
52.7°F
43%
0 in
0%
0%
11.2 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 5.53 μg/m3
PM10: 11.76 μg/m3
Carbon Monoxide: 162.1 μg/m3
Nitrogen Dioxide: 6.29 μg/m3
Sulphur Dioxide: 1.66 μg/m3
Ozone: 95.23 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 12:57 AM
Sunset: 7:50 PM
Daylight: 13 hrs 44 mins
Moonrise: 6:15 PM
Moon Transit: 11:47 PM
Moonset: 4:49 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

8:52 AM - 11:22 AM
12:00 AM - 12:00 AM

Minor Periods

5:45 PM - 7:15 PM
4:19 AM - 5:49 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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