Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

75.4°F

Measurement Time: Monday, June 22, 2026, 4:30 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

58.7°F
Clear
Clear
50.4°F
58.6°F
69%
W 2.2 mph
4.2 mph
59.1°F
46.8°F
0 in
7%
6 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 91°F
L: 51°F
Patchy rain nearby
Tue
H: 94°F
L: 53°F
Patchy rain nearby
Wed
H: 86°F
L: 55°F
Patchy rain nearby
Thu
H: 88°F
L: 56°F
Patchy rain nearby
Fri
H: 93°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 4.4 μg/m3
PM10: 7 μg/m3
Carbon Monoxide: 136 μg/m3
Nitrogen Dioxide: 3.9 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:02 PM
Sunset: 8:28 PM
Daylight: 14 hrs 51 mins
Moonrise: 2:01 PM
Moon Transit: 7:45 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

4:50 AM - 7:20 AM
7:15 PM - 9:45 PM

Minor Periods

1:31 PM - 3:01 PM
12:28 AM - 1:58 AM

Action Rating: 2 out of 5

Red Flag Warning issued June 22 at 1:09PM MDT until June 23 at 9:00PM MDT by NWS Pueblo CO

Effective: Mon June 22, 2026, 1:09 PM
Expires: Tue June 23, 2026, 5:15 AM

The National Weather Service in Pueblo has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 9 PM MDT Tuesday. * AFFECTED AREA...Fire Weather Zone 222. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 6 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 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.
Monday, June 22, 2026

Weather Forecast

Sunny
90.9°F
51.1°F
70.6°F
43%
0 in
1%
0%
16.8 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 6.13 μg/m3
PM10: 10.45 μg/m3
Carbon Monoxide: 116.25 μg/m3
Nitrogen Dioxide: 2.66 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 98.21 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:02 PM
Sunset: 8:28 PM
Daylight: 14 hrs 51 mins
Moonrise: 2:01 PM
Moon Transit: 7:45 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

4:50 AM - 7:20 AM
7:15 PM - 9:45 PM

Minor Periods

1:31 PM - 3:01 PM
12:28 AM - 1:58 AM

Action Rating: 2 out of 5

Tuesday, June 23, 2026

Weather Forecast

Patchy rain nearby
94.2°F
52.5°F
73.6°F
39%
0.05 in
57%
0%
19.9 mph
11.2


Air Quality

AQI: 1 - Good
PM2.5: 4.3 μg/m3
PM10: 6.68 μg/m3
Carbon Monoxide: 123.02 μg/m3
Nitrogen Dioxide: 3.72 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 91.42 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
85.6°F
54.9°F
69.8°F
56%
0.11 in
57%
0%
16.3 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 4.6 μg/m3
PM10: 9.69 μg/m3
Carbon Monoxide: 148.21 μg/m3
Nitrogen Dioxide: 1.98 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 97.04 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
87.8°F
55.7°F
70°F
44%
0.03 in
36%
0%
15.2 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 3.27 μg/m3
PM10: 4.86 μg/m3
Carbon Monoxide: 140.17 μg/m3
Nitrogen Dioxide: 2.14 μg/m3
Sulphur Dioxide: 0.31 μg/m3
Ozone: 90.96 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
93.1°F
51.5°F
71.4°F
41%
0.04 in
57%
0%
25.9 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 5.57 μg/m3
PM10: 5.81 μg/m3
Carbon Monoxide: 168.14 μg/m3
Nitrogen Dioxide: 8.5 μg/m3
Sulphur Dioxide: 0.16 μg/m3
Ozone: 43 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

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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