Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

34.5°F

Measurement Time: Saturday, January 10, 2026, 5:30 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

42.7°F
Sunny
Sunny
37.6°F
42.7°F
33%
W 9.8 mph
11.3 mph
37.6°F
17.1°F
0 in
0%
6 mi
1032 mbar
2.6

Five Day Weather Forecast

Sunny
Sat
H: 50°F
L: 19°F
Sunny
Sun
H: 51°F
L: 17°F
Sunny
Mon
H: 58°F
L: 23°F
Sunny
Tue
H: 59°F
L: 32°F
Sunny
Wed
H: 47°F
L: 31°F

Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 4.05 μg/m3
Carbon Monoxide: 196.85 μg/m3
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 92 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:07 AM
Sunset: 4:59 PM
Daylight: 9 hrs 42 mins
Moonrise: 12:05 AM
Moon Transit: 5:44 AM
Moonset: 11:15 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:14 AM - 7:44 AM
3:31 PM - 6:01 PM

Minor Periods

10:45 AM - 12:15 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, January 10, 2026

Weather Forecast

Sunny
49.5°F
19.2°F
29.6°F
58%
0 in
0%
0%
10.5 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 4.08 μg/m3
PM10: 4.71 μg/m3
Carbon Monoxide: 170.65 μg/m3
Nitrogen Dioxide: 6.49 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 83.44 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:07 AM
Sunset: 4:59 PM
Daylight: 9 hrs 42 mins
Moonrise: 12:05 AM
Moon Transit: 5:44 AM
Moonset: 11:15 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:14 AM - 7:44 AM
3:31 PM - 6:01 PM

Minor Periods

10:45 AM - 12:15 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, January 11, 2026

Weather Forecast

Sunny
50.7°F
16.9°F
28.3°F
75%
0 in
0%
0%
7.8 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.65 μg/m3
PM10: 3.88 μg/m3
Carbon Monoxide: 171.49 μg/m3
Nitrogen Dioxide: 5.61 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 88.84 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:08 AM
Sunset: 5:00 PM
Daylight: 9 hrs 43 mins
Moonrise: 1:05 AM
Moon Transit: 6:26 AM
Moonset: 11:40 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

5:56 AM - 8:26 AM
4:14 PM - 6:44 PM

Minor Periods

11:10 AM - 12:40 AM
12:35 AM - 2:05 AM

Action Rating: 2 out of 5

Monday, January 12, 2026

Weather Forecast

Sunny
57.9°F
22.5°F
35.8°F
56%
0 in
0%
0%
8.7 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.58 μg/m3
PM10: 3.71 μg/m3
Carbon Monoxide: 167.25 μg/m3
Nitrogen Dioxide: 5.93 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 92.88 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:08 AM
Sunset: 5:01 PM
Daylight: 9 hrs 44 mins
Moonrise: 2:06 AM
Moon Transit: 7:09 AM
Moonset: 12:07 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

6:39 AM - 9:09 AM
4:58 PM - 7:28 PM

Minor Periods

11:37 AM - 1:07 PM
1:36 AM - 3:06 AM

Action Rating: 3 out of 5

Tuesday, January 13, 2026

Weather Forecast

Sunny
59.2°F
32.1°F
41.4°F
47%
0 in
0%
0%
9.6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.55 μg/m3
PM10: 3.85 μg/m3
Carbon Monoxide: 153 μg/m3
Nitrogen Dioxide: 5.91 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 89.16 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:08 AM
Sunset: 5:02 PM
Daylight: 9 hrs 45 mins
Moonrise: 3:08 AM
Moon Transit: 7:56 AM
Moonset: 12:39 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

7:26 AM - 9:56 AM
5:45 PM - 8:15 PM

Minor Periods

12:09 AM - 1:39 PM
2:38 AM - 4:08 AM

Action Rating: 3 out of 5

Wednesday, January 14, 2026

Weather Forecast

Sunny
46.8°F
30.7°F
36°F
58%
0 in
0%
0%
6 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.31 μg/m3
PM10: 3.71 μg/m3
Carbon Monoxide: 155.97 μg/m3
Nitrogen Dioxide: 5.68 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 91.08 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:09 AM
Sunset: 5:03 PM
Daylight: 9 hrs 47 mins
Moonrise: 4:09 AM
Moon Transit: 8:44 AM
Moonset: 1:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

8:14 AM - 10:44 AM
6:35 PM - 9:05 PM

Minor Periods

12:47 AM - 2:17 PM
3:39 AM - 5:09 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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