Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

70.5°F

Measurement Time: Saturday, June 6, 2026, 4:30 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

59.6°F
Clear
Clear
50.4°F
59.6°F
54%
SW 3.6 mph
7.5 mph
60°F
42.9°F
0 in
21%
6 mi
1007 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 88°F
L: 56°F
Sunny
Sun
H: 89°F
L: 55°F
Partly Cloudy
Mon
H: 91°F
L: 58°F
Sunny
Tue
H: 91°F
L: 55°F
Sunny
Wed
H: 93°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 6.4 μg/m3
PM10: 13.6 μg/m3
Carbon Monoxide: 120 μg/m3
Nitrogen Dioxide: 4.3 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:58 AM
Sunset: 8:22 PM
Daylight: 14 hrs 45 mins
Moonrise: 12:27 AM
Moon Transit: 5:43 AM
Moonset: 11:09 AM
Moon Phase: Last Quarter
Moon Illumination: 53.9%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
3:32 PM - 6:02 PM

Minor Periods

10:39 AM - 12:09 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Fire Weather Watch issued June 6 at 1:44AM MDT until June 7 at 9:00PM MDT by NWS Pueblo CO

Effective: Sat June 6, 2026, 1:44 AM
Expires: Sat June 6, 2026, 5:45 PM

* AFFECTED AREA...Fire Weather Zone 222. * WINDS...West 15 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning.

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


Red Flag Warning issued June 6 at 4:00PM MDT until June 7 at 9:00PM MDT by NWS Pueblo CO

Effective: Sat June 6, 2026, 4:00 PM
Expires: Sun June 7, 2026, 8:00 AM

* AFFECTED AREA...Fire Weather Zone 222. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution and avoid any outdoor burning.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued June 6 at 4:00PM MDT until June 8 at 7:00PM MDT by NWS Pueblo CO

Effective: Sat June 6, 2026, 4:00 PM
Expires: Sun June 7, 2026, 8:00 AM

* AFFECTED AREA...Fire Weather Zone 222. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution and avoid any outdoor burning.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued June 6 at 4:00PM MDT until June 8 at 7:00PM MDT by NWS Pueblo CO

Effective: Sat June 6, 2026, 4:00 PM
Expires: Sun June 7, 2026, 8:00 AM

The National Weather Service in Pueblo has issued a Fire Weather Watch for gusty winds and low relative humidity, which is in effect from Monday afternoon through Monday evening. * AFFECTED AREA...Fire Weather Zone 228. * WINDS...South 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution and avoid any outdoor burning.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Saturday, June 6, 2026

Weather Forecast

Patchy rain nearby
87.9°F
55.9°F
71.2°F
32%
0.02 in
73%
0%
15.7 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 6.83 μg/m3
PM10: 14.09 μg/m3
Carbon Monoxide: 117.13 μg/m3
Nitrogen Dioxide: 3.33 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 95.79 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:58 AM
Sunset: 8:22 PM
Daylight: 14 hrs 45 mins
Moonrise: 12:27 AM
Moon Transit: 5:43 AM
Moonset: 11:09 AM
Moon Phase: Last Quarter
Moon Illumination: 53.9%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
3:32 PM - 6:02 PM

Minor Periods

10:39 AM - 12:09 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, June 7, 2026

Weather Forecast

Sunny
88.8°F
54.6°F
72.2°F
27%
0 in
0%
0%
11.9 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 3.85 μg/m3
PM10: 7.8 μg/m3
Carbon Monoxide: 117.71 μg/m3
Nitrogen Dioxide: 4.02 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 82.79 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:22 PM
Daylight: 14 hrs 46 mins
Moonrise: 12:52 AM
Moon Transit: 6:27 AM
Moonset: 12:13 AM
Moon Phase: Last Quarter
Moon Illumination: 42.6%

Best Times for Fishing or Hunting

Major Periods

5:57 AM - 8:27 AM
4:15 PM - 6:45 PM

Minor Periods

11:43 AM - 1:13 PM
12:22 AM - 1:52 AM

Action Rating: 3 out of 5

Monday, June 8, 2026

Weather Forecast

Partly Cloudy
90.7°F
57.6°F
73.8°F
22%
0 in
1%
0%
22.8 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 3.15 μg/m3
PM10: 5.49 μg/m3
Carbon Monoxide: 118.17 μg/m3
Nitrogen Dioxide: 4.01 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 83.79 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:23 PM
Daylight: 14 hrs 47 mins
Moonrise: 1:15 AM
Moon Transit: 12:00 AM
Moonset: 1:16 PM
Moon Phase: Last Quarter
Moon Illumination: 31.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

12:46 AM - 2:16 PM
12:45 AM - 2:15 AM

Action Rating: 2 out of 5

Tuesday, June 9, 2026

Weather Forecast

Sunny
91.1°F
54.5°F
73.9°F
25%
0 in
0%
0%
30.2 mph
10.4


Air Quality

AQI: 1 - Good
PM2.5: 4.3 μg/m3
PM10: 7.3 μg/m3
Carbon Monoxide: 119.96 μg/m3
Nitrogen Dioxide: 3.82 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 87.92 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:23 PM
Daylight: 14 hrs 47 mins
Moonrise: 1:38 AM
Moon Transit: 4:27 AM
Moonset: 2:23 PM
Moon Phase: Last Quarter
Moon Illumination: 21.6%

Best Times for Fishing or Hunting

Major Periods

3:57 AM - 6:27 AM
3:57 AM - 6:27 AM

Minor Periods

1:53 PM - 3:23 PM
1:08 AM - 2:38 AM

Action Rating: 2 out of 5

Wednesday, June 10, 2026

Weather Forecast

Sunny
93.2°F
55.3°F
74.6°F
17%
0 in
0%
0%
27.7 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 2.96 μg/m3
PM10: 4.83 μg/m3
Carbon Monoxide: 120.56 μg/m3
Nitrogen Dioxide: 3.68 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 89.67 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 48 mins
Moonrise: 2:03 AM
Moon Transit: 8:41 AM
Moonset: 3:32 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

8:11 AM - 10:41 AM
6:32 PM - 9:02 PM

Minor Periods

3:02 PM - 4:32 PM
1:33 AM - 3:03 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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