Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

70.2°F

Measurement Time: Saturday, June 13, 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

70.8°F
Partly Cloudy
Partly Cloudy
58.3°F
72.1°F
40%
SE 9.4 mph
10.8 mph
70.8°F
45.3°F
0 in
48%
6 mi
1014 mbar
0.4

Five Day Weather Forecast

Sunny
Sat
H: 92°F
L: 53°F
Moderate rain
Sun
H: 70°F
L: 54°F
Patchy rain nearby
Mon
H: 82°F
L: 54°F
Sunny
Tue
H: 93°F
L: 54°F
Sunny
Wed
H: 97°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 4.3 μg/m3
PM10: 8 μg/m3
Carbon Monoxide: 110 μg/m3
Nitrogen Dioxide: 0.8 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 102 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

Red Flag Warning issued June 13 at 1:51AM MDT until June 13 at 7:00PM MDT by NWS Pueblo CO

Effective: Sat June 13, 2026, 1:51 AM
Expires: Sat June 13, 2026, 6:00 PM

* AFFECTED AREA...Fire Weather Zones 220 and 228. * WINDS...For Zone 220, west to northwest 15 to 25 mph with gusts up to 35 mph. For Zone 228, east to northeast 15 to 25 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 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.


Red Flag Warning issued June 13 at 12:50PM MDT until June 13 at 7:00PM MDT by NWS Pueblo CO

Effective: Sat June 13, 2026, 12:50 PM
Expires: Sat June 13, 2026, 7:00 PM

* AFFECTED AREA...Fire Weather Zones 220 and 228. * WINDS...For Zone 220, west to northwest 15 to 25 mph with gusts up to 35 mph. For Zone 228, east to northeast 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 8 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.
Saturday, June 13, 2026

Weather Forecast

Sunny
91.7°F
52.6°F
70.4°F
25%
0 in
2%
0%
15.2 mph
10.8


Air Quality

AQI: 1 - Good
PM2.5: 3.33 μg/m3
PM10: 5.62 μg/m3
Carbon Monoxide: 112.33 μg/m3
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 0.29 μg/m3
Ozone: 79.67 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
69.7°F
54.4°F
59.6°F
72%
0.46 in
79%
0%
13.4 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 4.18 μg/m3
PM10: 9.15 μg/m3
Carbon Monoxide: 111.17 μg/m3
Nitrogen Dioxide: 1.76 μg/m3
Sulphur Dioxide: 0.28 μg/m3
Ozone: 77.96 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
81.7°F
54.2°F
67°F
61%
0.05 in
57%
0%
13.9 mph
10.7


Air Quality

AQI: 1 - Good
PM2.5: 4.61 μg/m3
PM10: 9.66 μg/m3
Carbon Monoxide: 124.92 μg/m3
Nitrogen Dioxide: 2.78 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 81.54 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
93.3°F
54.2°F
73.1°F
34%
0 in
1%
0%
15.2 mph
11.5


Air Quality

AQI: 1 - Good
PM2.5: 3.61 μg/m3
PM10: 5.85 μg/m3
Carbon Monoxide: 119.76 μg/m3
Nitrogen Dioxide: 4.88 μg/m3
Sulphur Dioxide: 0.31 μg/m3
Ozone: 77.92 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
97.3°F
59.5°F
77.9°F
18%
0 in
0%
0%
20.8 mph
12


Air Quality

AQI: 1 - Good
PM2.5: 2.99 μg/m3
PM10: 4.71 μg/m3
Carbon Monoxide: 151 μg/m3
Nitrogen Dioxide: 9.76 μg/m3
Sulphur Dioxide: 0.26 μg/m3
Ozone: 41.14 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

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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