Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

62.4°F

Measurement Time: Monday, June 15, 2026, 2:30 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

63.5°F
Sunny
Sunny
55.4°F
63.5°F
62%
SSW 2.2 mph
6.7 mph
63.6°F
50.1°F
0 in
9%
6 mi
1018 mbar
3.4

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 82°F
L: 45°F
Sunny
Tue
H: 92°F
L: 53°F
Sunny
Wed
H: 98°F
L: 59°F
Sunny
Thu
H: 82°F
L: 51°F
Sunny
Fri
H: 92°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 4.9 μg/m3
PM10: 8.6 μg/m3
Carbon Monoxide: 109 μg/m3
Nitrogen Dioxide: 1.9 μg/m3
Sulphur Dioxide: 0.1 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 5:36 AM
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%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:14 PM - 3:44 PM

Minor Periods

9:11 PM - 10:41 PM
5:15 AM - 6:45 AM

Action Rating: 4 out of 5

Fire Weather Watch issued June 15 at 12:35AM MDT until June 17 at 9:00PM MDT by NWS Pueblo CO

Effective: Mon June 15, 2026, 12:35 AM
Expires: Mon June 15, 2026, 4:45 PM

The National Weather Service in Pueblo has issued a Fire Weather Watch for gusty winds and low relative humidity, which is in effect from Wednesday afternoon through Wednesday evening. * AFFECTED AREA...Fire Weather Zones 220, 221, 222, 223, 224, 225, 228, 229 and 230. * WINDS...Northwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...5 to 10 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Monday, June 15, 2026

Weather Forecast

Patchy rain nearby
81.8°F
45.4°F
64.6°F
58%
0.01 in
17%
0%
17.4 mph
10.7


Air Quality

AQI: 1 - Good
PM2.5: 6.36 μg/m3
PM10: 10 μg/m3
Carbon Monoxide: 113.38 μg/m3
Nitrogen Dioxide: 2.9 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 83.71 μg/m3

Astronomical

Sunrise: 5:36 AM
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%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:14 PM - 3:44 PM

Minor Periods

9:11 PM - 10:41 PM
5:15 AM - 6:45 AM

Action Rating: 4 out of 5

Tuesday, June 16, 2026

Weather Forecast

Sunny
92.2°F
52.8°F
72.4°F
32%
0 in
1%
0%
8.9 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 5.22 μg/m3
PM10: 7.51 μg/m3
Carbon Monoxide: 118 μg/m3
Nitrogen Dioxide: 5.18 μg/m3
Sulphur Dioxide: 0.32 μg/m3
Ozone: 82.04 μg/m3

Astronomical

Sunrise: 5:36 AM
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%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:20 PM - 4:50 PM

Minor Periods

10:02 PM - 11:32 PM
6:30 AM - 8:00 AM

Action Rating: 3 out of 5

Wednesday, June 17, 2026

Weather Forecast

Sunny
97.9°F
58.6°F
77.5°F
18%
0 in
17%
0%
19 mph
11.9


Air Quality

AQI: 1 - Good
PM2.5: 2.46 μg/m3
PM10: 3.84 μg/m3
Carbon Monoxide: 114.63 μg/m3
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 0.19 μg/m3
Ozone: 78.33 μg/m3

Astronomical

Sunrise: 5:36 AM
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%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
3:20 PM - 5:50 PM

Minor Periods

12:00 AM - 12:00 AM
7:48 AM - 9:18 AM

Action Rating: 2 out of 5

Thursday, June 18, 2026

Weather Forecast

Sunny
82.2°F
50.6°F
67.1°F
38%
0 in
1%
0%
16.1 mph
11.8


Air Quality

AQI: 1 - Good
PM2.5: 3.56 μg/m3
PM10: 8.44 μg/m3
Carbon Monoxide: 109.41 μg/m3
Nitrogen Dioxide: 3.02 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 84.75 μg/m3

Astronomical

Sunrise: 5:36 AM
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%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
4:15 PM - 6:45 PM

Minor Periods

9:04 AM - 10:34 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Sunny
92°F
51.8°F
70.5°F
36%
0 in
2%
0%
11.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.79 μg/m3
PM10: 23.39 μg/m3
Carbon Monoxide: 131.57 μg/m3
Nitrogen Dioxide: 7.4 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 69.71 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:01 PM
Sunset: 8:27 PM
Daylight: 14 hrs 51 mins
Moonrise: 10:47 AM
Moon Transit: 5:34 PM
Moonset: 12:44 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

2:36 AM - 5:06 AM
5:04 PM - 7:34 PM

Minor Periods

10:17 AM - 11:47 AM
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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