Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

72.0°F

Measurement Time: Friday, June 12, 2026, 1:30 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

80.4°F
Sunny
Sunny
64.6°F
78.4°F
9%
NW 15.2 mph
17.5 mph
80.4°F
21.7°F
0 in
3%
6 mi
1004 mbar
0.4

Five Day Weather Forecast

Sunny
Fri
H: 93°F
L: 46°F
Sunny
Sat
H: 89°F
L: 56°F
Moderate rain
Sun
H: 73°F
L: 56°F
Patchy rain nearby
Mon
H: 75°F
L: 53°F
Sunny
Tue
H: 93°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 2.8 μg/m3
PM10: 4.3 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 105 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

Fire Weather Watch issued June 12 at 10:09AM MDT until June 13 at 7:00PM MDT by NWS Pueblo CO

Effective: Fri June 12, 2026, 10:09 AM
Expires: Sat June 13, 2026, 2:15 AM

* AFFECTED AREA...Fire Weather Zones 220 and 222. * WINDS...West 15 to 25 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 12 at 10:09AM MDT until June 12 at 8:00PM MDT by NWS Pueblo CO

Effective: Fri June 12, 2026, 10:09 AM
Expires: Sat June 13, 2026, 2:15 AM

* AFFECTED AREA...Fire Weather Zones 220 and 222. * WINDS...West 15 to 25 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 12 at 2:32PM MDT until June 12 at 8:00PM MDT by NWS Pueblo CO

Effective: Fri June 12, 2026, 2:32 PM
Expires: Fri June 12, 2026, 8:00 PM

The National Weather Service in Pueblo has cancelled the Fire Weather Watch. * AFFECTED AREA...Fire Weather Zone 222. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with 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.


Fire Weather Watch issued June 12 at 10:09AM MDT until June 13 at 7:00PM MDT by NWS Pueblo CO

Effective: Fri June 12, 2026, 10:09 AM
Expires: Sat June 13, 2026, 2:15 AM

* AFFECTED AREA...Fire Weather Zone 228. * WINDS...East 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 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 12 at 2:32PM MDT until June 13 at 7:00PM MDT by NWS Pueblo CO

Effective: Fri June 12, 2026, 2:32 PM
Expires: Sat June 13, 2026, 6:45 AM

The National Weather Service in Pueblo has issued a Red Flag Warning for dry thunderstorms, low relative humidity, and gusty winds, which is in effect from 11 AM to 7 PM MDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 228. * WINDS...East 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with 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.
Friday, June 12, 2026

Weather Forecast

Sunny
92.8°F
45.9°F
69.4°F
20%
0 in
0%
0%
15.9 mph
11.1


Air Quality

AQI: 1 - Good
PM2.5: 5.56 μg/m3
PM10: 11.74 μg/m3
Carbon Monoxide: 114.33 μg/m3
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 0.31 μg/m3
Ozone: 93.17 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

Sunny
89.1°F
56.3°F
70.6°F
23%
0 in
17%
0%
19.2 mph
11.2


Air Quality

AQI: 1 - Good
PM2.5: 3.47 μg/m3
PM10: 5.98 μg/m3
Carbon Monoxide: 112 μg/m3
Nitrogen Dioxide: 3.49 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 83.29 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
72.7°F
55.5°F
61°F
70%
0.78 in
77%
0%
15.4 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 5.67 μg/m3
PM10: 12.97 μg/m3
Carbon Monoxide: 108.63 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 85.75 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
74.6°F
53°F
62.4°F
69%
0.03 in
39%
0%
12.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.58 μg/m3
PM10: 11.62 μg/m3
Carbon Monoxide: 115.95 μg/m3
Nitrogen Dioxide: 3.68 μg/m3
Sulphur Dioxide: 0.28 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: 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
92.9°F
53.1°F
72.2°F
33%
0 in
1%
0%
16.6 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 7.4 μg/m3
PM10: 11.1 μg/m3
Carbon Monoxide: 165.43 μg/m3
Nitrogen Dioxide: 9.71 μg/m3
Sulphur Dioxide: 0.39 μg/m3
Ozone: 55.57 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

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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