Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

72.0°F

Measurement Time: Tuesday, June 23, 2026, 5:30 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

88.8°F
Sunny
Sunny
77.2°F
85.2°F
7%
W 7.8 mph
9 mph
88.7°F
17.7°F
0 in
0%
6 mi
1013 mbar
8.4

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 97°F
L: 53°F
Patchy rain nearby
Wed
H: 91°F
L: 62°F
Patchy rain nearby
Thu
H: 88°F
L: 57°F
Patchy rain nearby
Fri
H: 92°F
L: 53°F
Sunny
Sat
H: 95°F
L: 54°F

Air Quality

AQI: 1 - Good
PM2.5: 2 μg/m3
PM10: 3.3 μg/m3
Carbon Monoxide: 107 μg/m3
Nitrogen Dioxide: 0.8 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 121 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:02 PM
Sunset: 8:28 PM
Daylight: 14 hrs 51 mins
Moonrise: 3:03 PM
Moon Transit: 8:28 PM
Moonset: 1:20 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

5:32 AM - 8:02 AM
7:58 PM - 10:28 PM

Minor Periods

2:33 PM - 4:03 PM
12:50 AM - 2:20 AM

Action Rating: 4 out of 5

Red Flag Warning issued June 22 at 7:54PM MDT until June 23 at 9:00PM MDT by NWS Pueblo CO

Effective: Mon June 22, 2026, 7:54 PM
Expires: Tue June 23, 2026, 12:00 PM

* AFFECTED AREA...Fire Weather Zone 222. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...5 to 10 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.


Red Flag Warning issued June 23 at 12:03AM MDT until June 23 at 9:00PM MDT by NWS Pueblo CO

Effective: Tue June 23, 2026, 12:03 AM
Expires: Tue June 23, 2026, 4:15 PM

* AFFECTED AREA...Fire Weather Zones 222 and 223. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Tuesday, June 23, 2026

Weather Forecast

Patchy rain nearby
97.4°F
53.4°F
75.9°F
38%
0.08 in
57%
0%
16.3 mph
11.2


Air Quality

AQI: 1 - Good
PM2.5: 4.82 μg/m3
PM10: 6.84 μg/m3
Carbon Monoxide: 117.58 μg/m3
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 95.08 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:02 PM
Sunset: 8:28 PM
Daylight: 14 hrs 51 mins
Moonrise: 3:03 PM
Moon Transit: 8:28 PM
Moonset: 1:20 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

5:32 AM - 8:02 AM
7:58 PM - 10:28 PM

Minor Periods

2:33 PM - 4:03 PM
12:50 AM - 2:20 AM

Action Rating: 4 out of 5

Wednesday, June 24, 2026

Weather Forecast

Patchy rain nearby
90.5°F
62.1°F
73.5°F
52%
0.06 in
57%
0%
11.9 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 5.9 μg/m3
PM10: 9.96 μg/m3
Carbon Monoxide: 116.75 μg/m3
Nitrogen Dioxide: 2.32 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 91.08 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:02 PM
Sunset: 8:28 PM
Daylight: 14 hrs 51 mins
Moonrise: 4:05 PM
Moon Transit: 9:12 PM
Moonset: 1:45 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

6:16 AM - 8:46 AM
8:42 PM - 11:12 PM

Minor Periods

3:35 PM - 5:05 PM
1:15 AM - 2:45 AM

Action Rating: 3 out of 5

Thursday, June 25, 2026

Weather Forecast

Patchy rain nearby
88.4°F
57.4°F
71.9°F
44%
0.01 in
17%
0%
13 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 3.29 μg/m3
PM10: 4.31 μg/m3
Carbon Monoxide: 119.42 μg/m3
Nitrogen Dioxide: 3.06 μg/m3
Sulphur Dioxide: 0.24 μg/m3
Ozone: 85.17 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:02 PM
Sunset: 8:28 PM
Daylight: 14 hrs 51 mins
Moonrise: 5:07 PM
Moon Transit: 9:58 PM
Moonset: 2:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

7:01 AM - 9:31 AM
9:28 PM - 11:58 PM

Minor Periods

4:37 PM - 6:07 PM
1:43 AM - 3:13 AM

Action Rating: 2 out of 5

Friday, June 26, 2026

Weather Forecast

Patchy rain nearby
92.3°F
53.3°F
70°F
46%
0.06 in
57%
0%
13.4 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 3.9 μg/m3
PM10: 5.27 μg/m3
Carbon Monoxide: 119.56 μg/m3
Nitrogen Dioxide: 5.55 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 76.75 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:03 PM
Sunset: 8:28 PM
Daylight: 14 hrs 50 mins
Moonrise: 6:08 PM
Moon Transit: 10:46 PM
Moonset: 2:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

7:48 AM - 10:18 AM
12:00 AM - 12:00 AM

Minor Periods

5:38 PM - 7:08 PM
2:15 AM - 3:45 AM

Action Rating: 2 out of 5

Saturday, June 27, 2026

Weather Forecast

Sunny
95°F
53.9°F
75.1°F
25%
0 in
0%
0%
25.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.53 μg/m3
PM10: 5.61 μg/m3
Carbon Monoxide: 149.57 μg/m3
Nitrogen Dioxide: 10.34 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 32.57 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:03 PM
Sunset: 8:28 PM
Daylight: 14 hrs 50 mins
Moonrise: 7:06 PM
Moon Transit: 11:37 PM
Moonset: 3:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

8:37 AM - 11:07 AM
12:00 AM - 12:00 AM

Minor Periods

6:36 PM - 8:06 PM
2:52 AM - 4:22 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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