Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

81.5°F

Measurement Time: Sunday, July 26, 2026, 12:30 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

96.1°F
Partly Cloudy
Partly Cloudy
84.4°F
93.1°F
19%
ESE 8.1 mph
9.3 mph
96.1°F
46.7°F
0 in
43%
6 mi
1006 mbar
0.8

Five Day Weather Forecast

Sunny
Sun
H: 99°F
L: 66°F
Sunny
Mon
H: 95°F
L: 65°F
Sunny
Tue
H: 97°F
L: 65°F
Sunny
Wed
H: 95°F
L: 62°F
Sunny
Thu
H: 97°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 2.5 μg/m3
PM10: 3 μg/m3
Carbon Monoxide: 98 μg/m3
Nitrogen Dioxide: 1.1 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 120 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:06 PM
Sunset: 8:16 PM
Daylight: 14 hrs 18 mins
Moonrise: 6:45 PM
Moon Transit: 11:15 PM
Moonset: 2:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

8:14 AM - 10:44 AM
12:00 AM - 12:00 AM

Minor Periods

6:15 PM - 7:45 PM
2:22 AM - 3:52 AM

Action Rating: 2 out of 5

Heat Advisory issued July 26 at 9:19AM MDT until July 26 at 9:00PM MDT by NWS Pueblo CO

Effective: Sun July 26, 2026, 9:19 AM
Expires: Sun July 26, 2026, 5:30 PM

* WHAT...Temperatures of 96 to 109 expected. * WHERE...Canon City Vicinity and Eastern Fremont, Colorado Springs Vicinity and El Paso County below 7300 Feet, and Pueblo Vicinity and Pueblo County Below 6300 Feet, Otero County, Bent County and Prowers County. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Sunday, July 26, 2026

Weather Forecast

Sunny
99°F
65.8°F
81.4°F
36%
0.11 in
57%
0%
18.8 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 3.1 μg/m3
PM10: 3.4 μg/m3
Carbon Monoxide: 107.5 μg/m3
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 91.13 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:06 PM
Sunset: 8:16 PM
Daylight: 14 hrs 18 mins
Moonrise: 6:45 PM
Moon Transit: 11:15 PM
Moonset: 2:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

8:14 AM - 10:44 AM
12:00 AM - 12:00 AM

Minor Periods

6:15 PM - 7:45 PM
2:22 AM - 3:52 AM

Action Rating: 2 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
94.5°F
64.7°F
79.3°F
40%
0.03 in
36%
0%
13.6 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 3.02 μg/m3
PM10: 3.72 μg/m3
Carbon Monoxide: 105.71 μg/m3
Nitrogen Dioxide: 2.8 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 94.67 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:06 PM
Sunset: 8:15 PM
Daylight: 14 hrs 17 mins
Moonrise: 7:27 PM
Moon Transit: 12:00 AM
Moonset: 3:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:06 AM - 11:36 AM

Minor Periods

6:57 PM - 8:27 PM
3:18 AM - 4:48 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
97.1°F
65°F
78.2°F
44%
0.1 in
57%
0%
15 mph
11.5


Air Quality

AQI: 1 - Good
PM2.5: 3.38 μg/m3
PM10: 3.78 μg/m3
Carbon Monoxide: 113 μg/m3
Nitrogen Dioxide: 4.69 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 83.21 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:06 PM
Sunset: 8:14 PM
Daylight: 14 hrs 15 mins
Moonrise: 8:03 PM
Moon Transit: 12:05 AM
Moonset: 4:49 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:55 AM - 12:25 AM

Minor Periods

7:33 PM - 9:03 PM
4:19 AM - 5:49 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
95.2°F
62.4°F
75.2°F
53%
0.17 in
57%
0%
15.4 mph
11.5


Air Quality

AQI: 1 - Good
PM2.5: 3.88 μg/m3
PM10: 4.38 μg/m3
Carbon Monoxide: 121.46 μg/m3
Nitrogen Dioxide: 4.77 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 81.54 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:06 PM
Sunset: 8:13 PM
Daylight: 14 hrs 13 mins
Moonrise: 8:34 PM
Moon Transit: 12:54 AM
Moonset: 5:51 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:24 AM - 2:54 AM
10:43 AM - 1:13 PM

Minor Periods

8:04 PM - 9:34 PM
5:21 AM - 6:51 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
96.8°F
61.2°F
76.4°F
45%
0.03 in
36%
0%
11.2 mph
11.6


Air Quality

AQI: 1 - Good
PM2.5: 2.94 μg/m3
PM10: 3.39 μg/m3
Carbon Monoxide: 153 μg/m3
Nitrogen Dioxide: 8.93 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 49.86 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:06 PM
Sunset: 8:12 PM
Daylight: 14 hrs 11 mins
Moonrise: 9:00 PM
Moon Transit: 1:40 AM
Moonset: 6:55 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:10 AM - 3:40 AM
11:30 AM - 2:00 PM

Minor Periods

8:30 PM - 10:00 PM
6:25 AM - 7:55 AM

Action Rating: 5 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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