Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

67.6°F

Measurement Time: Wednesday, June 10, 2026, 8:30 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

57.4°F
Clear
Clear
46.2°F
57.4°F
24%
WNW 7.2 mph
15 mph
57.7°F
22.2°F
0 in
0%
6 mi
1004 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 80°F
L: 51°F
Sunny
Fri
H: 92°F
L: 47°F
Patchy rain nearby
Sat
H: 87°F
L: 58°F
Moderate rain
Sun
H: 74°F
L: 58°F
Patchy rain nearby
Mon
H: 69°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 4.4 μg/m3
PM10: 5.6 μg/m3
Carbon Monoxide: 120 μg/m3
Nitrogen Dioxide: 8.4 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 51 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 49 mins
Moonrise: 2:32 AM
Moon Transit: 9:32 AM
Moonset: 4:47 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

7:25 PM - 9:55 PM
9:02 AM - 11:32 AM

Minor Periods

4:17 PM - 5:47 PM
2:02 AM - 3:32 AM

Action Rating: 2 out of 5

Fire Weather Watch issued June 10 at 2:42PM MDT until June 12 at 8:00PM MDT by NWS Pueblo CO

Effective: Wed June 10, 2026, 2:42 PM
Expires: Thu June 11, 2026, 6:45 AM

* AFFECTED AREA...Fire Weather Zone 222. * TIMING...For the first Red Flag Warning, until 8 PM MDT this evening. For the second Red Flag Warning, from 2 PM to 8 PM MDT Thursday. For the Fire Weather Watch, from Friday morning through Friday evening. * WINDS...West 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

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.


Red Flag Warning issued June 10 at 2:42PM MDT until June 11 at 8:00PM MDT by NWS Pueblo CO

Effective: Wed June 10, 2026, 2:42 PM
Expires: Thu June 11, 2026, 6:45 AM

* AFFECTED AREA...Fire Weather Zone 222. * TIMING...For the first Red Flag Warning, until 8 PM MDT this evening. For the second Red Flag Warning, from 2 PM to 8 PM MDT Thursday. For the Fire Weather Watch, from Friday morning through Friday evening. * WINDS...West 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

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.


Red Flag Warning issued June 10 at 2:42PM MDT until June 10 at 8:00PM MDT by NWS Pueblo CO

Effective: Wed June 10, 2026, 2:42 PM
Expires: Thu June 11, 2026, 6:45 AM

* AFFECTED AREA...Fire Weather Zone 222. * TIMING...For the first Red Flag Warning, until 8 PM MDT this evening. For the second Red Flag Warning, from 2 PM to 8 PM MDT Thursday. For the Fire Weather Watch, from Friday morning through Friday evening. * WINDS...West 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

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.


Red Flag Warning issued June 10 at 7:59PM MDT until June 11 at 8:00PM MDT by NWS Pueblo CO

Effective: Wed June 10, 2026, 7:59 PM
Expires: Thu June 11, 2026, 12:00 PM

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 222... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 222... * AFFECTED AREA...Fire Weather Zone 222. * TIMING...For the Red Flag Warning, from 2 PM to 8 PM MDT Thursday. For the Fire Weather Watch, from Friday morning through Friday evening. * WINDS...Thursday, south to southeast 15 to 25 mph with gusts to 40 mph. Friday, West 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

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 10 at 7:59PM MDT until June 12 at 8:00PM MDT by NWS Pueblo CO

Effective: Wed June 10, 2026, 7:59 PM
Expires: Thu June 11, 2026, 12:00 PM

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 222... ...RED FLAG WARNING WILL EXPIRE AT 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 222... * AFFECTED AREA...Fire Weather Zone 222. * TIMING...For the Red Flag Warning, from 2 PM to 8 PM MDT Thursday. For the Fire Weather Watch, from Friday morning through Friday evening. * WINDS...Thursday, south to southeast 15 to 25 mph with gusts to 40 mph. Friday, West 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Elevated fire danger is expected. Fires will catch and spread rapidly and erratically.

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.
Thursday, June 11, 2026

Weather Forecast

Sunny
80.2°F
51.2°F
66.2°F
24%
0 in
0%
0%
20.6 mph
11.3


Air Quality

AQI: 1 - Good
PM2.5: 4.59 μg/m3
PM10: 10.67 μg/m3
Carbon Monoxide: 111.96 μg/m3
Nitrogen Dioxide: 3.61 μg/m3
Sulphur Dioxide: 0.31 μg/m3
Ozone: 89.08 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 49 mins
Moonrise: 2:32 AM
Moon Transit: 9:32 AM
Moonset: 4:47 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

7:25 PM - 9:55 PM
9:02 AM - 11:32 AM

Minor Periods

4:17 PM - 5:47 PM
2:02 AM - 3:32 AM

Action Rating: 2 out of 5

Friday, June 12, 2026

Weather Forecast

Sunny
92.2°F
46.6°F
70.2°F
22%
0 in
1%
0%
8.1 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 3.88 μg/m3
PM10: 10.23 μg/m3
Carbon Monoxide: 113.21 μg/m3
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 91.33 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 49 mins
Moonrise: 3:05 AM
Moon Transit: 10:28 AM
Moonset: 6:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

8:23 PM - 10:53 PM
9:58 AM - 12:28 AM

Minor Periods

5:35 PM - 7:05 PM
2:35 AM - 4:05 AM

Action Rating: 3 out of 5

Saturday, June 13, 2026

Weather Forecast

Patchy rain nearby
86.8°F
58.3°F
70.7°F
28%
0.03 in
36%
0%
18.1 mph
11.2


Air Quality

AQI: 1 - Good
PM2.5: 3.18 μg/m3
PM10: 5.68 μg/m3
Carbon Monoxide: 111.54 μg/m3
Nitrogen Dioxide: 3.68 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 83.54 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 50 mins
Moonrise: 3:47 AM
Moon Transit: 11:30 AM
Moonset: 7:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

9:27 PM - 11:57 PM
11:00 AM - 1:30 PM

Minor Periods

6:53 PM - 8:23 PM
3:17 AM - 4:47 AM

Action Rating: 3 out of 5

Sunday, June 14, 2026

Weather Forecast

Moderate rain
74.1°F
58°F
62.9°F
82%
0.66 in
85%
0%
14.3 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 3.45 μg/m3
PM10: 7.85 μg/m3
Carbon Monoxide: 111.71 μg/m3
Nitrogen Dioxide: 1.73 μg/m3
Sulphur Dioxide: 0.25 μg/m3
Ozone: 81.71 μg/m3

Astronomical

Sunrise: 5:36 AM
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%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:06 AM - 2:36 PM

Minor Periods

8:08 PM - 9:38 PM
4:10 AM - 5:40 AM

Action Rating: 5 out of 5

Monday, June 15, 2026

Weather Forecast

Patchy rain nearby
68.6°F
50.2°F
57°F
82%
0.04 in
62%
0%
11 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.94 μg/m3
PM10: 8.27 μg/m3
Carbon Monoxide: 127.29 μg/m3
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 59.14 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

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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