Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

64.6°F

Measurement Time: Sunday, June 28, 2026, 1:30 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

59.7°F
Sunny
Sunny
49.5°F
59.7°F
23%
WSW 5.4 mph
10.6 mph
59.7°F
21.6°F
0 in
0%
6 mi
1005 mbar
0.5

Five Day Weather Forecast

Sunny
Sun
H: 92°F
L: 53°F
Sunny
Mon
H: 89°F
L: 52°F
Sunny
Tue
H: 92°F
L: 55°F
Sunny
Wed
H: 91°F
L: 52°F
Sunny
Thu
H: 93°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 3.9 μg/m3
PM10: 6 μg/m3
Carbon Monoxide: 109 μg/m3
Nitrogen Dioxide: 6.8 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:03 PM
Sunset: 8:28 PM
Daylight: 14 hrs 50 mins
Moonrise: 8:00 PM
Moon Transit: 12:00 AM
Moonset: 4:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:28 AM - 11:58 AM

Minor Periods

7:30 PM - 9:00 PM
3:37 AM - 5:07 AM

Action Rating: 2 out of 5

Fire Weather Watch issued June 27 at 8:48PM MDT until June 29 at 10:00PM MDT by NWS Pueblo CO

Effective: Sat June 27, 2026, 8:48 PM
Expires: Sun June 28, 2026, 1:00 PM

* AFFECTED AREA...Fire Weather Zones 228, 229 and 230. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 6 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 27 at 8:48PM MDT until June 28 at 9:00PM MDT by NWS Pueblo CO

Effective: Sat June 27, 2026, 8:48 PM
Expires: Sun June 28, 2026, 1:00 PM

* AFFECTED AREA...Fire Weather Zones 228, 229 and 230. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 6 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 27 at 8:48PM MDT until June 29 at 10:00PM MDT by NWS Pueblo CO

Effective: Sat June 27, 2026, 8:48 PM
Expires: Sun June 28, 2026, 1:00 PM

* AFFECTED AREA...Fire Weather Zone 227. * WINDS...Southwest 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 6 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.
Sunday, June 28, 2026

Weather Forecast

Sunny
92°F
53.3°F
74.3°F
15%
0 in
0%
0%
26.8 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 3.5 μg/m3
PM10: 7.3 μg/m3
Carbon Monoxide: 107.13 μg/m3
Nitrogen Dioxide: 2.82 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 91.38 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:03 PM
Sunset: 8:28 PM
Daylight: 14 hrs 50 mins
Moonrise: 8:00 PM
Moon Transit: 12:00 AM
Moonset: 4:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:28 AM - 11:58 AM

Minor Periods

7:30 PM - 9:00 PM
3:37 AM - 5:07 AM

Action Rating: 2 out of 5

Monday, June 29, 2026

Weather Forecast

Sunny
89.3°F
52.2°F
72.1°F
14%
0 in
0%
0%
27.5 mph
11.5


Air Quality

AQI: 1 - Good
PM2.5: 2.9 μg/m3
PM10: 6.58 μg/m3
Carbon Monoxide: 107.58 μg/m3
Nitrogen Dioxide: 2.54 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 97.71 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:03 PM
Sunset: 8:28 PM
Daylight: 14 hrs 49 mins
Moonrise: 8:47 PM
Moon Transit: 12:28 AM
Moonset: 4:59 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:20 AM - 12:50 AM

Minor Periods

8:17 PM - 9:47 PM
4:29 AM - 5:59 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Sunny
92.2°F
55.2°F
73.8°F
13%
0 in
0%
0%
25.7 mph
11.3


Air Quality

AQI: 1 - Good
PM2.5: 2.92 μg/m3
PM10: 5.24 μg/m3
Carbon Monoxide: 108.29 μg/m3
Nitrogen Dioxide: 4.58 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 87.63 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:03 PM
Sunset: 8:28 PM
Daylight: 14 hrs 49 mins
Moonrise: 9:27 PM
Moon Transit: 1:19 AM
Moonset: 5:56 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
11:10 AM - 1:40 PM

Minor Periods

8:57 PM - 10:27 PM
5:26 AM - 6:56 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
90.6°F
52°F
71.8°F
10%
0 in
0%
0%
15.2 mph
10.7


Air Quality

AQI: 1 - Good
PM2.5: 3.41 μg/m3
PM10: 6.33 μg/m3
Carbon Monoxide: 107.45 μg/m3
Nitrogen Dioxide: 4.39 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 98.33 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:04 PM
Sunset: 8:28 PM
Daylight: 14 hrs 48 mins
Moonrise: 10:01 PM
Moon Transit: 2:09 AM
Moonset: 6:57 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:39 AM - 4:09 AM
11:59 AM - 2:29 PM

Minor Periods

9:31 PM - 11:01 PM
6:27 AM - 7:57 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
93.4°F
54.7°F
74.6°F
10%
0 in
0%
0%
12.1 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 4.56 μg/m3
PM10: 8.5 μg/m3
Carbon Monoxide: 152 μg/m3
Nitrogen Dioxide: 9.77 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:04 PM
Sunset: 8:28 PM
Daylight: 14 hrs 48 mins
Moonrise: 10:30 PM
Moon Transit: 2:57 AM
Moonset: 8:00 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
12:46 AM - 3:16 PM

Minor Periods

10:00 PM - 11:30 PM
7:30 AM - 9:00 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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