Water Temperature of the Arkansas River in Portland, CO
Current Water Temperature
61.5°F
Measurement Time: Sunday, June 14, 2026, 1:30 AM MDT
Temperature Locations
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Local Points of Interest
Florence, CO; Penrose, COArkansas 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
55.8°F

Patchy rain nearby
47.3°F
55.8°F
79%
E 5.6 mph
6.4 mph
54.7°F
49.1°F
0 in
100%
6 mi
1023 mbar
0.1
Five Day Weather Forecast

Sun
H: 69°F
L: 55°F

Mon
H: 80°F
L: 55°F

Tue
H: 93°F
L: 53°F

Wed
H: 97°F
L: 59°F

Thu
H: 80°F
L: 52°F
Air Quality
AQI:
1 - Good
PM2.5:
5.1 μg/m3
PM10:
10.7 μg/m3
Carbon Monoxide: 103 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 74 μg/m3
Nitrogen Dioxide: 2 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 74 μg/m3
Astronomical
Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:26 PM
Daylight: 14 hrs 50 mins
Sun Transit: 1:00 PM
Sunset: 8:26 PM
Daylight: 14 hrs 50 mins
Moonrise: 4:40 AM
Moon Transit: 12:36 AM
Moonset: 8:38 PM
Moon Phase: New
Moon Illumination: 0.7%
Moon Transit: 12:36 AM
Moonset: 8:38 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:06 AM - 2:36 PM
Minor Periods
8:08 PM - 9:38 PM4:10 AM - 5:40 AM
Action Rating: 5 out of 5
Sunday, June 14, 2026
Weather Forecast
Moderate rain
69.3°F
55.2°F
59.7°F
73%
0.48 in
82%
0%
12.5 mph
10.9
Air Quality
AQI:
1 - Good
PM2.5:
4.03 μg/m3
PM10:
7.49 μg/m3
Carbon Monoxide: 108.54 μg/m3
Nitrogen Dioxide: 2.06 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 77.13 μg/m3
Nitrogen Dioxide: 2.06 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 77.13 μg/m3
Astronomical
Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:26 PM
Daylight: 14 hrs 50 mins
Sun Transit: 1:00 PM
Sunset: 8:26 PM
Daylight: 14 hrs 50 mins
Moonrise: 4:40 AM
Moon Transit: 12:36 AM
Moonset: 8:38 PM
Moon Phase: New
Moon Illumination: 0.7%
Moon Transit: 12:36 AM
Moonset: 8:38 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:06 AM - 2:36 PM
Minor Periods
8:08 PM - 9:38 PM4:10 AM - 5:40 AM
Action Rating: 5 out of 5
Monday, June 15, 2026
Weather Forecast
Patchy rain nearby
80°F
55.1°F
66°F
64%
0.03 in
37%
0%
14.5 mph
10.7
Air Quality
AQI:
1 - Good
PM2.5:
5.09 μg/m3
PM10:
9.07 μg/m3
Carbon Monoxide: 115 μg/m3
Nitrogen Dioxide: 3.66 μg/m3
Sulphur Dioxide: 0.18 μg/m3
Ozone: 77.83 μg/m3
Nitrogen Dioxide: 3.66 μg/m3
Sulphur Dioxide: 0.18 μg/m3
Ozone: 77.83 μg/m3
Astronomical
Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:26 PM
Daylight: 14 hrs 50 mins
Sun Transit: 1:00 PM
Sunset: 8:26 PM
Daylight: 14 hrs 50 mins
Moonrise: 5:45 AM
Moon Transit: 1:44 PM
Moonset: 9:41 PM
Moon Phase: New
Moon Illumination: 3.8%
Moon Transit: 1:44 PM
Moonset: 9:41 PM
Moon Phase: New
Moon Illumination: 3.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:14 PM - 3:44 PM
Minor Periods
9:11 PM - 10:41 PM5:15 AM - 6:45 AM
Action Rating: 4 out of 5
Tuesday, June 16, 2026
Weather Forecast
Sunny
93.3°F
52.8°F
72.5°F
35%
0 in
1%
0%
15 mph
11.5
Air Quality
AQI:
1 - Good
PM2.5:
4.3 μg/m3
PM10:
6.3 μg/m3
Carbon Monoxide: 116.96 μg/m3
Nitrogen Dioxide: 4.93 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 82 μg/m3
Nitrogen Dioxide: 4.93 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 82 μg/m3
Astronomical
Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:26 PM
Daylight: 14 hrs 51 mins
Sun Transit: 1:00 PM
Sunset: 8:26 PM
Daylight: 14 hrs 51 mins
Moonrise: 7:00 AM
Moon Transit: 2:50 PM
Moonset: 10:32 PM
Moon Phase: New
Moon Illumination: 1.0%
Moon Transit: 2:50 PM
Moonset: 10:32 PM
Moon Phase: New
Moon Illumination: 1.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:20 PM - 4:50 PM
Minor Periods
10:02 PM - 11:32 PM6:30 AM - 8:00 AM
Action Rating: 3 out of 5
Wednesday, June 17, 2026
Weather Forecast
Sunny
96.8°F
58.6°F
77.6°F
18%
0 in
0%
0%
22.1 mph
12
Air Quality
AQI:
1 - Good
PM2.5:
2.04 μg/m3
PM10:
3.4 μg/m3
Carbon Monoxide: 112.86 μg/m3
Nitrogen Dioxide: 3.43 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 80.92 μg/m3
Nitrogen Dioxide: 3.43 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 80.92 μg/m3
Astronomical
Sunrise: 5:36 AM
Sun Transit: 1:01 PM
Sunset: 8:27 PM
Daylight: 14 hrs 51 mins
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%
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 AM3:20 PM - 5:50 PM
Minor Periods
12:00 AM - 12:00 AM7:48 AM - 9:18 AM
Action Rating: 2 out of 5
Thursday, June 18, 2026
Weather Forecast
Sunny
79.6°F
52.4°F
63.2°F
42%
0 in
1%
0%
15.4 mph
0
Air Quality
AQI:
1 - Good
PM2.5:
2.73 μg/m3
PM10:
4.8 μg/m3
Carbon Monoxide: 136.14 μg/m3
Nitrogen Dioxide: 6.37 μg/m3
Sulphur Dioxide: 0.26 μg/m3
Ozone: 55 μg/m3
Nitrogen Dioxide: 6.37 μg/m3
Sulphur Dioxide: 0.26 μg/m3
Ozone: 55 μg/m3
Astronomical
Sunrise: 5:36 AM
Sun Transit: 1:01 PM
Sunset: 8:27 PM
Daylight: 14 hrs 51 mins
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%
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 AM4:15 PM - 6:45 PM
Minor Periods
9:04 AM - 10:34 AM12:00 AM - 12:00 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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