Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

76.8°F

Measurement Time: Wednesday, June 17, 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

95.9°F
Sunny
Sunny
85.3°F
93°F
9%
S 6 mph
7 mph
95.9°F
29°F
0 in
6%
6 mi
997 mbar
11.1

Five Day Weather Forecast

Sunny
Wed
H: 98°F
L: 59°F
Sunny
Thu
H: 85°F
L: 50°F
Patchy rain nearby
Fri
H: 87°F
L: 53°F
Sunny
Sat
H: 94°F
L: 55°F
Patchy rain nearby
Sun
H: 90°F
L: 54°F

Air Quality

AQI: 1 - Good
PM2.5: 1.8 μg/m3
PM10: 2.5 μg/m3
Carbon Monoxide: 110 μg/m3
Nitrogen Dioxide: 0.3 μg/m3
Sulphur Dioxide: 0.1 μg/m3
Ozone: 106 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:01 PM
Sunset: 8:27 PM
Daylight: 14 hrs 51 mins
Moonrise: 8:18 AM
Moon Transit: 3:50 PM
Moonset: 11:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
3:20 PM - 5:50 PM

Minor Periods

12:00 AM - 12:00 AM
7:48 AM - 9:18 AM

Action Rating: 2 out of 5

Heat Advisory issued June 17 at 6:09AM MDT until June 17 at 7:00PM MDT by NWS Pueblo CO

Effective: Wed June 17, 2026, 6:09 AM
Expires: Wed June 17, 2026, 2:15 PM

* WHAT...Temperatures between 97 and 105 degrees expected. * WHERE...El Paso, Pueblo, and Eastern Fremont Counties including Canon City, Colorado Springs and Pueblo. * WHEN...From 11 AM this morning to 7 PM MDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Accidentally leaving children or pets in hot vehicles can quickly turn into tragedy. Remember, look before you lock!

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Red Flag Warning issued June 16 at 8:54PM MDT until June 17 at 9:00PM MDT by NWS Pueblo CO

Effective: Tue June 16, 2026, 8:54 PM
Expires: Wed June 17, 2026, 1:00 PM

* AFFECTED AREA...Fire Weather Zones 221, 225, 228, 229 and 230. * TIMING...From noon to 9 PM MDT Wednesday. * WINDS...Northwest 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 17 at 12:38AM MDT until June 17 at 9:00PM MDT by NWS Pueblo CO

Effective: Wed June 17, 2026, 12:38 AM
Expires: Wed June 17, 2026, 4:45 PM

* AFFECTED AREA...Fire Weather Zones 221, 222, 224, 225, 228, 229 and 230. * TIMING...From noon today to 9 PM MDT this evening. * WINDS...Northwest 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.
Wednesday, June 17, 2026

Weather Forecast

Sunny
97.9°F
58.5°F
77.6°F
17%
0 in
17%
0%
21.5 mph
11.9


Air Quality

AQI: 1 - Good
PM2.5: 2.42 μg/m3
PM10: 3.58 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 2.91 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 84.75 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:01 PM
Sunset: 8:27 PM
Daylight: 14 hrs 51 mins
Moonrise: 8:18 AM
Moon Transit: 3:50 PM
Moonset: 11:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
3:20 PM - 5:50 PM

Minor Periods

12:00 AM - 12:00 AM
7:48 AM - 9:18 AM

Action Rating: 2 out of 5

Thursday, June 18, 2026

Weather Forecast

Sunny
84.6°F
49.7°F
67°F
40%
0 in
3%
0%
17.2 mph
11.2


Air Quality

AQI: 1 - Good
PM2.5: 5.02 μg/m3
PM10: 11.45 μg/m3
Carbon Monoxide: 107.25 μg/m3
Nitrogen Dioxide: 3.06 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 82.21 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:01 PM
Sunset: 8:27 PM
Daylight: 14 hrs 51 mins
Moonrise: 9:34 AM
Moon Transit: 4:45 PM
Moonset: 12:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
4:15 PM - 6:45 PM

Minor Periods

9:04 AM - 10:34 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Patchy rain nearby
86.9°F
53°F
68.5°F
43%
0.02 in
36%
0%
15.7 mph
11.8


Air Quality

AQI: 1 - Good
PM2.5: 6.73 μg/m3
PM10: 18.2 μg/m3
Carbon Monoxide: 116.46 μg/m3
Nitrogen Dioxide: 3.74 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 92.5 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:01 PM
Sunset: 8:27 PM
Daylight: 14 hrs 51 mins
Moonrise: 10:47 AM
Moon Transit: 5:34 PM
Moonset: 12:44 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

2:36 AM - 5:06 AM
5:04 PM - 7:34 PM

Minor Periods

10:17 AM - 11:47 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, June 20, 2026

Weather Forecast

Sunny
94.4°F
54.7°F
74.8°F
27%
0 in
1%
0%
23.3 mph
11.6


Air Quality

AQI: 1 - Good
PM2.5: 3.54 μg/m3
PM10: 6.31 μg/m3
Carbon Monoxide: 115.95 μg/m3
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 88.25 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:01 PM
Sunset: 8:27 PM
Daylight: 14 hrs 51 mins
Moonrise: 11:54 AM
Moon Transit: 6:19 PM
Moonset: 12:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
5:49 PM - 8:19 PM

Minor Periods

11:24 AM - 12:54 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Sunday, June 21, 2026

Weather Forecast

Patchy rain nearby
89.9°F
53.9°F
70.9°F
36%
0.08 in
57%
0%
20.4 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 1.44 μg/m3
PM10: 1.99 μg/m3
Carbon Monoxide: 123.14 μg/m3
Nitrogen Dioxide: 5.21 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 76.86 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:01 PM
Sunset: 8:28 PM
Daylight: 14 hrs 51 mins
Moonrise: 12:59 AM
Moon Transit: 7:03 PM
Moonset: 12:35 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

4:07 AM - 6:37 AM
6:33 PM - 9:03 PM

Minor Periods

12:29 AM - 1:59 PM
12:05 AM - 1:35 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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