Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

33.6°F

Measurement Time: Thursday, January 22, 2026, 6:30 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

47.7°F
Partly Cloudy
Partly Cloudy
44.8°F
47.5°F
12%
E 6 mph
7 mph
45.6°F
7.7°F
0 in
0%
9 mi
1015 mbar
2

Five Day Weather Forecast

Sunny
Thu
H: 50°F
L: 21°F
Overcast
Fri
H: 21°F
L: 11°F
Moderate or heavy snow showers
Sat
H: 16°F
L: 8°F
Overcast
Sun
H: 17°F
L: 4°F
Sunny
Mon
H: 42°F
L: 5°F

Air Quality

AQI: 1 - Good
PM2.5: 7.75 μg/m3
PM10: 8.05 μg/m3
Carbon Monoxide: 257.85 μg/m3
Nitrogen Dioxide: 10.85 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:11 AM
Sunset: 5:11 PM
Daylight: 9 hrs 59 mins
Moonrise: 9:20 AM
Moon Transit: 12:00 AM
Moonset: 9:26 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:22 AM - 2:52 AM

Minor Periods

8:56 PM - 10:26 PM
8:50 AM - 10:20 AM

Action Rating: 2 out of 5

Winter Weather Advisory issued January 22 at 2:07AM MST until January 25 at 5:00AM MST by NWS Pueblo CO

Effective: Thu January 22, 2026, 2:07 AM
Expires: Thu January 22, 2026, 10:15 AM

* WHAT...Snow expected. Total snow accumulations between 5 and 12 inches. Winds gusting as high as 40 mph. * WHERE...Eastern Sawatch Mountains Above 11000 Feet, La Garita Mountains Above 10000 Feet, Western Mosquito Range Above 11000 Feet, Eastern San Juan Mountains Above 10000 Feet, Sangre de Cristo Mountains Above 11000 Feet. * WHEN...From 11 AM Friday to 5 AM MST Sunday. * IMPACTS...Expect slick and snow covered roads creating hazardous travel conditions.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.


Winter Weather Advisory issued January 22 at 6:19AM MST until January 25 at 5:00AM MST by NWS Pueblo CO

Effective: Thu January 22, 2026, 6:19 AM
Expires: Thu January 22, 2026, 3:30 PM

* WHAT...Snow expected. Total snow accumulations between 5 and 12 inches. Winds gusting as high as 40 mph. * WHERE...Eastern Sawatch Mountains Above 11000 Feet, La Garita Mountains Above 10000 Feet, Western Mosquito Range/East Lake County Above 11000 Feet, Eastern San Juan Mountains Above 10000 Feet, Northern Sangre de Cristo Mountains Above 11000 Feet, and Southern Sangre de Cristo Mountains Above 11000 Feet. * WHEN...From 11 AM Friday to 5 AM MST Sunday. * IMPACTS...Expect slick and snow covered roads creating hazardous travel conditions.

Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Thursday, January 22, 2026

Weather Forecast

Sunny
49.5°F
21°F
30.8°F
40%
0 in
0%
0%
8.5 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 4.52 μg/m3
PM10: 4.78 μg/m3
Carbon Monoxide: 205.13 μg/m3
Nitrogen Dioxide: 7.54 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 79.6 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:11 AM
Sunset: 5:11 PM
Daylight: 9 hrs 59 mins
Moonrise: 9:20 AM
Moon Transit: 12:00 AM
Moonset: 9:26 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:22 AM - 2:52 AM

Minor Periods

8:56 PM - 10:26 PM
8:50 AM - 10:20 AM

Action Rating: 2 out of 5

Friday, January 23, 2026

Weather Forecast

Overcast
20.7°F
11.2°F
16.4°F
80%
0 in
0%
0%
6.9 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 7.96 μg/m3
PM10: 8.18 μg/m3
Carbon Monoxide: 190.97 μg/m3
Nitrogen Dioxide: 8.69 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 48.92 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:11 AM
Sunset: 5:12 PM
Daylight: 10 hrs 1 mins
Moonrise: 9:44 AM
Moon Transit: 7:54 AM
Moonset: 10:34 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

7:24 AM - 9:54 AM
7:24 AM - 9:54 AM

Minor Periods

10:04 PM - 11:34 PM
9:14 AM - 10:44 AM

Action Rating: 4 out of 5

Saturday, January 24, 2026

Weather Forecast

Moderate or heavy snow showers
16°F
7.5°F
10.3°F
80%
0.13 in
85%
17%
6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 4.19 μg/m3
PM10: 4.27 μg/m3
Carbon Monoxide: 165.77 μg/m3
Nitrogen Dioxide: 5.61 μg/m3
Sulphur Dioxide: 1.87 μg/m3
Ozone: 49.64 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:12 AM
Sunset: 5:13 PM
Daylight: 10 hrs 2 mins
Moonrise: 10:09 AM
Moon Transit: 4:49 PM
Moonset: 11:42 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

1:52 AM - 4:22 AM
4:19 PM - 6:49 PM

Minor Periods

12:00 AM - 12:00 AM
9:39 AM - 11:09 AM

Action Rating: 2 out of 5

Sunday, January 25, 2026

Weather Forecast

Overcast
16.5°F
3.9°F
11.1°F
76%
0 in
0%
0%
17.7 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 4.34 μg/m3
PM10: 4.41 μg/m3
Carbon Monoxide: 180.32 μg/m3
Nitrogen Dioxide: 5.38 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 65.28 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:12 AM
Sunset: 5:14 PM
Daylight: 10 hrs 4 mins
Moonrise: 10:36 AM
Moon Transit: 5:39 PM
Moonset: 12:42 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%

Best Times for Fishing or Hunting

Major Periods

2:39 AM - 5:09 AM
5:09 PM - 7:39 PM

Minor Periods

10:06 AM - 11:36 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, January 26, 2026

Weather Forecast

Sunny
42.2°F
4.5°F
19.7°F
48%
0 in
0%
0%
12.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.8 μg/m3
PM10: 4.1 μg/m3
Carbon Monoxide: 175.45 μg/m3
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 97.08 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:12 AM
Sunset: 5:16 PM
Daylight: 10 hrs 6 mins
Moonrise: 11:08 AM
Moon Transit: 6:32 PM
Moonset: 12:55 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
6:02 PM - 8:32 PM

Minor Periods

10:38 AM - 12:08 AM
12:25 AM - 1:55 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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