Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

78.1°F

Measurement Time: Monday, July 6, 2026, 1:30 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

74.2°F
Smoky haze
Smoky haze
65.5°F
73.5°F
22%
NNE 2.7 mph
5.6 mph
74.2°F
32.9°F
0 in
17%
6 mi
1012 mbar
0

Five Day Weather Forecast

Smoky haze
Mon
H: 94°F
L: 57°F
Smoky haze
Tue
H: 95°F
L: 59°F
Smoky haze
Wed
H: 96°F
L: 57°F
Smoky haze
Thu
H: 98°F
L: 58°F
Smoky haze
Fri
H: 95°F
L: 59°F

Air Quality

AQI: 4 - Unhealthy
PM2.5: 52.4 μg/m3
PM10: 55.2 μg/m3
Carbon Monoxide: 210 μg/m3
Nitrogen Dioxide: 18.8 μg/m3
Sulphur Dioxide: 4.4 μg/m3
Ozone: 212 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:04 PM
Sunset: 8:27 PM
Daylight: 14 hrs 45 mins
Moonrise: 12:42 AM
Moon Transit: 5:51 AM
Moonset: 12:12 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

5:21 AM - 7:51 AM
10:45 AM - 1:15 PM

Minor Periods

11:42 AM - 1:12 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Air Quality Alert issued July 6 at 1:10PM MDT by NWS Pueblo CO

Effective: Mon July 6, 2026, 1:10 PM
Expires: Tue July 7, 2026, 9:00 AM

The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE...Delta, Montrose, San Miguel, Dolores, Ouray, Montezuma, La Plata, San Juan, Hinsdale, Mineral, Saguache, Gunnison, Chaffee, Lake, Summit, Custer, Pueblo, Fremont, Park and Mesa Counties. Locations include, but are not limited to Delta, Montrose, Nucla, Telluride, Dove Creek, Ouray, Cortez, Durango, Hermosa, Honeyville, Rockwood, Silverton, Lake City, Creede, Saguache, Gunnison, Buena Vista, Salida, Leadville, Breckenridge, Westcliffe, Pueblo, Canon City, Fairplay and Grand Junction. WHEN...900 AM Monday July 06 to 900 AM Tuesday July 07 IMPACTS...Moderate to heavy smoke from several wildfires in Colorado and Utah will be possible within the advisory area through at least Tuesday morning. HEALTH INFORMATION...Public Health Recommendations: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and older adults. Consider limiting outdoor activity when moderate to heavy smoke is present. Consider relocating temporarily if smoke is present indoors and is making you ill. If visibility is less than 5 miles in smoke in your neighborhood, smoke has reached levels that are unhealthy.


Air Quality Alert issued July 6 at 1:10PM MDT by NWS Denver CO

Effective: Mon July 6, 2026, 1:10 PM
Expires: Tue July 7, 2026, 9:00 AM

The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE...Delta, Montrose, San Miguel, Dolores, Ouray, Montezuma, La Plata, San Juan, Hinsdale, Mineral, Saguache, Gunnison, Chaffee, Lake, Summit, Custer, Pueblo, Fremont, Park and Mesa Counties. Locations include, but are not limited to Delta, Montrose, Nucla, Telluride, Dove Creek, Ouray, Cortez, Durango, Hermosa, Honeyville, Rockwood, Silverton, Lake City, Creede, Saguache, Gunnison, Buena Vista, Salida, Leadville, Breckenridge, Westcliffe, Pueblo, Canon City, Fairplay and Grand Junction. WHEN...900 AM Monday July 06 to 900 AM Tuesday July 07 IMPACTS...Moderate to heavy smoke from several wildfires in Colorado and Utah will be possible within the advisory area through at least Tuesday morning. HEALTH INFORMATION...Public Health Recommendations: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and older adults. Consider limiting outdoor activity when moderate to heavy smoke is present. Consider relocating temporarily if smoke is present indoors and is making you ill. If visibility is less than 5 miles in smoke in your neighborhood, smoke has reached levels that are unhealthy.


Monday, July 6, 2026

Weather Forecast

Smoky haze
93.5°F
57.3°F
75.5°F
24%
0 in
1%
0%
15.7 mph
5.1


Air Quality

AQI: 4 - Unhealthy
PM2.5: 70 μg/m3
PM10: 73.69 μg/m3
Carbon Monoxide: 283.79 μg/m3
Nitrogen Dioxide: 19.82 μg/m3
Sulphur Dioxide: 4.85 μg/m3
Ozone: 157.75 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:04 PM
Sunset: 8:27 PM
Daylight: 14 hrs 45 mins
Moonrise: 12:42 AM
Moon Transit: 5:51 AM
Moonset: 12:12 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

5:21 AM - 7:51 AM
10:45 AM - 1:15 PM

Minor Periods

11:42 AM - 1:12 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, July 7, 2026

Weather Forecast

Smoky haze
94.7°F
58.7°F
73°F
39%
0.2 in
57%
0%
19.5 mph
7.9


Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 55.49 μg/m3
PM10: 58.72 μg/m3
Carbon Monoxide: 373.75 μg/m3
Nitrogen Dioxide: 21.67 μg/m3
Sulphur Dioxide: 4.79 μg/m3
Ozone: 140.67 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:05 PM
Sunset: 8:27 PM
Daylight: 14 hrs 44 mins
Moonrise: 12:05 AM
Moon Transit: 6:36 AM
Moonset: 1:18 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
4:25 PM - 6:55 PM

Minor Periods

12:48 AM - 2:18 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, July 8, 2026

Weather Forecast

Smoky haze
95.7°F
57°F
72.9°F
42%
0.05 in
57%
0%
21.5 mph
10.6


Air Quality

AQI: 2 - Moderate
PM2.5: 39.68 μg/m3
PM10: 41.53 μg/m3
Carbon Monoxide: 436 μg/m3
Nitrogen Dioxide: 15.19 μg/m3
Sulphur Dioxide: 2.49 μg/m3
Ozone: 89.88 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:05 PM
Sunset: 8:27 PM
Daylight: 14 hrs 43 mins
Moonrise: 12:31 AM
Moon Transit: 7:23 AM
Moonset: 2:29 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

6:53 AM - 9:23 AM
5:14 PM - 7:44 PM

Minor Periods

1:59 PM - 3:29 PM
12:01 AM - 1:31 AM

Action Rating: 2 out of 5

Thursday, July 9, 2026

Weather Forecast

Smoky haze
97.5°F
57.9°F
75.7°F
32%
0 in
2%
0%
16.8 mph
10.5


Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 47.34 μg/m3
PM10: 50.14 μg/m3
Carbon Monoxide: 548.85 μg/m3
Nitrogen Dioxide: 20.84 μg/m3
Sulphur Dioxide: 3.49 μg/m3
Ozone: 97.46 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:05 PM
Sunset: 8:26 PM
Daylight: 14 hrs 42 mins
Moonrise: 1:01 AM
Moon Transit: 8:15 AM
Moonset: 3:42 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

7:45 AM - 10:15 AM
6:08 PM - 8:38 PM

Minor Periods

3:12 PM - 4:42 PM
12:31 AM - 2:01 AM

Action Rating: 3 out of 5

Friday, July 10, 2026

Weather Forecast

Smoky haze
94.5°F
59.1°F
75.4°F
29%
0 in
17%
0%
15.2 mph
9.1


Air Quality

AQI: 4 - Unhealthy
PM2.5: 69.91 μg/m3
PM10: 71.47 μg/m3
Carbon Monoxide: 909.86 μg/m3
Nitrogen Dioxide: 22.93 μg/m3
Sulphur Dioxide: 3.5 μg/m3
Ozone: 49.57 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:05 PM
Sunset: 8:26 PM
Daylight: 14 hrs 41 mins
Moonrise: 1:37 AM
Moon Transit: 9:12 AM
Moonset: 4:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:42 AM - 11:12 AM
7:08 PM - 9:38 PM

Minor Periods

4:29 PM - 5:59 PM
1:07 AM - 2:37 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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