Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

65.3°F

Measurement Time: Tuesday, May 26, 2026, 8:30 AM 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

66.9°F
Patchy light rain in area with thunder
Patchy light rain in area with thunder
66.9°F
67.2°F
44%
SSE 6.7 mph
8.3 mph
66.9°F
45.9°F
0.01 in
74%
6 mi
1006 mbar
3.8

Five Day Weather Forecast

Moderate rain
Tue
H: 70°F
L: 48°F
Patchy rain nearby
Wed
H: 62°F
L: 54°F
Patchy rain nearby
Thu
H: 77°F
L: 49°F
Patchy rain nearby
Fri
H: 84°F
L: 51°F
Sunny
Sat
H: 81°F
L: 51°F

Air Quality

AQI: 1 - Good
PM2.5: 3.25 μg/m3
PM10: 3.45 μg/m3
Carbon Monoxide: 152.85 μg/m3
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 12:57 AM
Sunset: 8:14 PM
Daylight: 14 hrs 33 mins
Moonrise: 4:09 PM
Moon Transit: 9:46 PM
Moonset: 2:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

3:39 PM - 5:09 PM
2:24 AM - 3:54 AM

Action Rating: 2 out of 5

Tuesday, May 26, 2026

Weather Forecast

Moderate rain
70°F
47.9°F
59.5°F
61%
0.21 in
88%
0%
11.6 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 5.73 μg/m3
PM10: 8 μg/m3
Carbon Monoxide: 137.05 μg/m3
Nitrogen Dioxide: 5.54 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 88.16 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 12:57 AM
Sunset: 8:14 PM
Daylight: 14 hrs 33 mins
Moonrise: 4:09 PM
Moon Transit: 9:46 PM
Moonset: 2:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

3:39 PM - 5:09 PM
2:24 AM - 3:54 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Patchy rain nearby
62°F
53.5°F
56.5°F
79%
0.12 in
89%
0%
10.5 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 4.58 μg/m3
PM10: 6.44 μg/m3
Carbon Monoxide: 136.29 μg/m3
Nitrogen Dioxide: 4.8 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 83.28 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 12:57 AM
Sunset: 8:15 PM
Daylight: 14 hrs 35 mins
Moonrise: 5:10 PM
Moon Transit: 10:29 PM
Moonset: 3:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

4:40 PM - 6:10 PM
2:46 AM - 4:16 AM

Action Rating: 2 out of 5

Thursday, May 28, 2026

Weather Forecast

Patchy rain nearby
77°F
49.3°F
62.2°F
62%
0.09 in
66%
0%
15 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 5.14 μg/m3
PM10: 10.65 μg/m3
Carbon Monoxide: 132.57 μg/m3
Nitrogen Dioxide: 3.97 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 83.28 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 12:57 AM
Sunset: 8:16 PM
Daylight: 14 hrs 36 mins
Moonrise: 6:12 PM
Moon Transit: 11:14 PM
Moonset: 3:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

8:17 AM - 10:47 AM
12:00 AM - 12:00 AM

Minor Periods

5:42 PM - 7:12 PM
3:12 AM - 4:42 AM

Action Rating: 2 out of 5

Friday, May 29, 2026

Weather Forecast

Patchy rain nearby
83.6°F
51.3°F
66.8°F
44%
0.05 in
85%
0%
6.3 mph
10.5


Air Quality

AQI: 1 - Good
PM2.5: 4.83 μg/m3
PM10: 9.18 μg/m3
Carbon Monoxide: 132.22 μg/m3
Nitrogen Dioxide: 3.51 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 87.68 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 12:57 AM
Sunset: 8:16 PM
Daylight: 14 hrs 37 mins
Moonrise: 7:14 PM
Moon Transit: 12:00 AM
Moonset: 4:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:03 AM - 11:33 AM

Minor Periods

6:44 PM - 8:14 PM
3:40 AM - 5:10 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Sunny
81.3°F
50.7°F
66.5°F
21%
0 in
0%
0%
8.5 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 6.31 μg/m3
PM10: 13 μg/m3
Carbon Monoxide: 144.77 μg/m3
Nitrogen Dioxide: 4.97 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 77.23 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 12:57 AM
Sunset: 8:17 PM
Daylight: 14 hrs 38 mins
Moonrise: 8:15 PM
Moon Transit: 12:01 AM
Moonset: 4:44 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:51 AM - 12:21 AM

Minor Periods

7:45 PM - 9:15 PM
4:14 AM - 5:44 AM

Action Rating: 4 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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