Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

72.7°F

Measurement Time: Saturday, July 11, 2026, 8:30 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

60.5°F
Clear
Clear
50.9°F
60.5°F
59%
WNW 4.3 mph
8.9 mph
60.5°F
45.9°F
0 in
3%
6 mi
1020 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 91°F
L: 58°F
Sunny
Mon
H: 94°F
L: 58°F
Sunny
Tue
H: 93°F
L: 58°F
Sunny
Wed
H: 92°F
L: 57°F
Sunny
Thu
H: 90°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 9.5 μg/m3
PM10: 13.3 μg/m3
Carbon Monoxide: 125 μg/m3
Nitrogen Dioxide: 10.3 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:05 PM
Sunset: 8:25 PM
Daylight: 14 hrs 39 mins
Moonrise: 3:22 AM
Moon Transit: 11:22 AM
Moonset: 7:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

9:20 PM - 11:50 PM
10:52 AM - 1:22 PM

Minor Periods

6:51 PM - 8:21 PM
2:52 AM - 4:22 AM

Action Rating: 3 out of 5

Air Quality Alert issued July 11 at 9:10AM MDT by NWS Pueblo CO

Effective: Sat July 11, 2026, 9:10 AM
Expires: Sun July 12, 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...Southwest Pueblo County. Locations include, but are not limited to, Beulah, Rye, and Colorado City. WHEN...900 AM Saturday July 11 to 900 AM Sunday July 12 IMPACTS...Moderate to heavy smoke from the Aspen Acres Fire is possible in southwest Pueblo County until at least Sunday 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 11 at 4:10PM MDT by NWS Pueblo CO

Effective: Sat July 11, 2026, 4:10 PM
Expires: Sun July 12, 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...Southwest Pueblo County. Locations include, but are not limited to, Beulah, Rye, and Colorado City. WHEN...900 AM Saturday July 11 to 900 AM Sunday July 12 IMPACTS...Moderate to heavy smoke from the Aspen Acres Fire is possible in southwest Pueblo County until at least Sunday 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.


Sunday, July 12, 2026

Weather Forecast

Sunny
90.5°F
58°F
74.9°F
39%
0 in
1%
0%
16.8 mph
12.2


Air Quality

AQI: 1 - Good
PM2.5: 6.57 μg/m3
PM10: 10.16 μg/m3
Carbon Monoxide: 114.96 μg/m3
Nitrogen Dioxide: 4.33 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 97.79 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:05 PM
Sunset: 8:25 PM
Daylight: 14 hrs 39 mins
Moonrise: 3:22 AM
Moon Transit: 11:22 AM
Moonset: 7:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

9:20 PM - 11:50 PM
10:52 AM - 1:22 PM

Minor Periods

6:51 PM - 8:21 PM
2:52 AM - 4:22 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Sunny
93.6°F
58.1°F
75.9°F
35%
0 in
1%
0%
19.7 mph
12


Air Quality

AQI: 1 - Good
PM2.5: 6.78 μg/m3
PM10: 11.25 μg/m3
Carbon Monoxide: 114.33 μg/m3
Nitrogen Dioxide: 3.84 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 91.58 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:05 PM
Sunset: 8:25 PM
Daylight: 14 hrs 37 mins
Moonrise: 4:32 AM
Moon Transit: 12:28 AM
Moonset: 8:19 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:58 AM - 2:28 PM

Minor Periods

7:49 PM - 9:19 PM
4:02 AM - 5:32 AM

Action Rating: 4 out of 5

Tuesday, July 14, 2026

Weather Forecast

Sunny
92.7°F
57.5°F
75.5°F
33%
0 in
1%
0%
18.8 mph
12.1


Air Quality

AQI: 1 - Good
PM2.5: 5.81 μg/m3
PM10: 13.57 μg/m3
Carbon Monoxide: 108.46 μg/m3
Nitrogen Dioxide: 3.53 μg/m3
Sulphur Dioxide: 0.39 μg/m3
Ozone: 83.46 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:06 PM
Sunset: 8:24 PM
Daylight: 14 hrs 36 mins
Moonrise: 5:49 AM
Moon Transit: 1:32 PM
Moonset: 9:04 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:02 PM - 3:32 PM

Minor Periods

8:34 PM - 10:04 PM
5:19 AM - 6:49 AM

Action Rating: 5 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
92.2°F
56.9°F
74.7°F
29%
0 in
0%
0%
15.9 mph
12


Air Quality

AQI: 1 - Good
PM2.5: 6 μg/m3
PM10: 13.06 μg/m3
Carbon Monoxide: 119.43 μg/m3
Nitrogen Dioxide: 4.01 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 92.79 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:06 PM
Sunset: 8:23 PM
Daylight: 14 hrs 35 mins
Moonrise: 7:08 AM
Moon Transit: 2:30 PM
Moonset: 9:40 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:00 PM - 4:30 PM

Minor Periods

9:10 PM - 10:40 PM
6:38 AM - 8:08 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
90°F
55.9°F
73.3°F
34%
0 in
1%
0%
14.5 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 8.64 μg/m3
PM10: 18.27 μg/m3
Carbon Monoxide: 186.71 μg/m3
Nitrogen Dioxide: 9.66 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 68.29 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:06 PM
Sunset: 8:23 PM
Daylight: 14 hrs 34 mins
Moonrise: 8:25 AM
Moon Transit: 3:23 PM
Moonset: 10:10 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

12:23 AM - 2:53 AM
2:53 PM - 5:23 PM

Minor Periods

9:40 PM - 11:10 PM
7:55 AM - 9:25 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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