Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

75.0°F

Measurement Time: Friday, July 3, 2026, 9:30 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

93.4°F
Partly Cloudy
Partly Cloudy
82.2°F
89.8°F
4%
S 6.9 mph
8 mph
93.4°F
10.1°F
0 in
35%
6 mi
1006 mbar
3.5

Five Day Weather Forecast

Smoky haze
Fri
H: 93°F
L: 55°F
Smoky haze
Sat
H: 92°F
L: 57°F
Smoky haze
Sun
H: 91°F
L: 55°F
Smoky haze
Mon
H: 95°F
L: 56°F
Smoky haze
Tue
H: 95°F
L: 60°F

Air Quality

AQI: 4 - Unhealthy
PM2.5: 28 μg/m3
PM10: 30.4 μg/m3
Carbon Monoxide: 105 μg/m3
Nitrogen Dioxide: 6.1 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 149 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:04 PM
Sunset: 8:28 PM
Daylight: 14 hrs 47 mins
Moonrise: 10:56 PM
Moon Transit: 3:42 AM
Moonset: 9:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:12 AM - 5:42 AM
1:30 PM - 4:00 PM

Minor Periods

10:26 PM - 11:56 PM
8:33 AM - 10:03 AM

Action Rating: 3 out of 5

Friday, July 3, 2026

Weather Forecast

Smoky haze
93.4°F
55.4°F
75.5°F
9%
0 in
1%
0%
22.4 mph
6.9


Air Quality

AQI: 2 - Moderate
PM2.5: 37.28 μg/m3
PM10: 39.03 μg/m3
Carbon Monoxide: 133.88 μg/m3
Nitrogen Dioxide: 15.25 μg/m3
Sulphur Dioxide: 2.98 μg/m3
Ozone: 102.96 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:04 PM
Sunset: 8:28 PM
Daylight: 14 hrs 47 mins
Moonrise: 10:56 PM
Moon Transit: 3:42 AM
Moonset: 9:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:12 AM - 5:42 AM
1:30 PM - 4:00 PM

Minor Periods

10:26 PM - 11:56 PM
8:33 AM - 10:03 AM

Action Rating: 3 out of 5

Saturday, July 4, 2026

Weather Forecast

Smoky haze
92°F
57°F
73.6°F
18%
0 in
1%
0%
17 mph
6.3


Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 48.4 μg/m3
PM10: 52.09 μg/m3
Carbon Monoxide: 145.08 μg/m3
Nitrogen Dioxide: 18.85 μg/m3
Sulphur Dioxide: 3.73 μg/m3
Ozone: 116.92 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:04 PM
Sunset: 8:28 PM
Daylight: 14 hrs 46 mins
Moonrise: 11:19 PM
Moon Transit: 4:26 AM
Moonset: 10:05 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

3:56 AM - 6:26 AM
2:13 PM - 4:43 PM

Minor Periods

12:00 AM - 12:00 AM
9:35 AM - 11:05 AM

Action Rating: 2 out of 5

Sunday, July 5, 2026

Weather Forecast

Smoky haze
91.2°F
54.6°F
71.3°F
36%
0 in
1%
0%
17 mph
2


Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 48.5 μg/m3
PM10: 53.54 μg/m3
Carbon Monoxide: 178.96 μg/m3
Nitrogen Dioxide: 19.53 μg/m3
Sulphur Dioxide: 3.91 μg/m3
Ozone: 104.38 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:04 PM
Sunset: 8:27 PM
Daylight: 14 hrs 45 mins
Moonrise: 12:19 AM
Moon Transit: 5:08 AM
Moonset: 11:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
2:56 PM - 5:26 PM

Minor Periods

10:38 AM - 12:08 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, July 6, 2026

Weather Forecast

Smoky haze
94.7°F
55.9°F
75.9°F
28%
0 in
1%
0%
17.4 mph
4.4


Air Quality

AQI: 4 - Unhealthy
PM2.5: 68.32 μg/m3
PM10: 72.82 μg/m3
Carbon Monoxide: 390.87 μg/m3
Nitrogen Dioxide: 24.99 μg/m3
Sulphur Dioxide: 5.08 μg/m3
Ozone: 111.67 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
94.5°F
59.8°F
73.7°F
34%
0.05 in
57%
0%
15.2 mph
8


Air Quality

AQI: 4 - Unhealthy
PM2.5: 77.71 μg/m3
PM10: 80.3 μg/m3
Carbon Monoxide: 1062.29 μg/m3
Nitrogen Dioxide: 26.67 μg/m3
Sulphur Dioxide: 6.3 μg/m3
Ozone: 78.14 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

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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