Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

48.9°F

Measurement Time: Thursday, November 5, 2026, 4:30 AM MST

Temperature Locations

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Local Points of Interest

Florence, CO; Penrose, CO

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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

53.4°F
Sunny
Conditions: Sunny
Humidity: 37%
Feels Like: 47.8°F
Wind: SSW 2.5 mph
Wind Gusts: 2.7 mph
Pressure: 30.05 in
Precipitation: 0 in
Cloud Cover: 1%
Visibility: 6 mi
UV Index: 3.9

Weather Forecast

Sunny
Thu
H: 57°F
L: 35°F
Overcast
Fri
H: 56°F
L: 35°F
Sunny
Sat
H: 61°F
L: 35°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
1.7 μg/m³
Good
PM10
1.8 μg/m³
Good
Ozone (O3)
93 μg/m³
Photochemical
NO2
0.6 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
117 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 25m daylight
Sunrise 6:31 AM
Solar Noon 11:43 AM
Sunset 4:56 PM
Moon
Waning Crescent • 11%
Moonrise 2:53 AM
Transit 8:58 AM
Moonset 2:55 PM

Best Times for Fishing or Hunting

Major Periods

8:28 AM - 10:58 AM
8:50 PM - 11:20 PM

Minor Periods

2:23 AM - 3:53 AM
2:25 PM - 3:55 PM
Action Rating:
Fair Action 2/5
Thursday, November 5, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 44.6°F
Average Humidity: 55%
Chance of Rain: 17%
Wind: 10.1 mph
UV Index: 3.9

Astronomical

Sun
10h 25m daylight
Sunrise 6:31 AM
Solar Noon 11:43 AM
Sunset 4:56 PM
Moon
Waning Crescent • 11%
Moonrise 2:53 AM
Transit 8:58 AM
Moonset 2:55 PM

Best Times for Fishing or Hunting

Major Periods

8:28 AM - 10:58 AM
8:50 PM - 11:20 PM

Minor Periods

2:23 AM - 3:53 AM
2:25 PM - 3:55 PM
Action Rating:
Fair Action 2/5
Friday, November 6, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 44.7°F
Average Humidity: 49%
Chance of Rain: 8%
Wind: 6.5 mph
UV Index: 2.9

Astronomical

Sun
10h 23m daylight
Sunrise 6:32 AM
Solar Noon 11:43 AM
Sunset 4:55 PM
Moon
Waning Crescent • 5%
Moonrise 3:57 AM
Transit 9:42 AM
Moonset 3:18 PM

Best Times for Fishing or Hunting

Major Periods

9:12 AM - 11:42 AM
9:34 PM - 12:04 AM

Minor Periods

3:27 AM - 4:57 AM
2:48 PM - 4:18 PM
Action Rating:
Fair Action 2/5
Saturday, November 7, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 46.5°F
Average Humidity: 43%
Chance of Rain: 1%
Wind: 8.7 mph
UV Index: 3.7

Astronomical

Sun
10h 21m daylight
Sunrise 6:33 AM
Solar Noon 11:43 AM
Sunset 4:54 PM
Moon
Waning Crescent • 1%
Moonrise 5:01 AM
Transit 10:26 AM
Moonset 3:44 PM

Best Times for Fishing or Hunting

Major Periods

9:56 AM - 12:26 PM
10:19 PM - 12:49 AM

Minor Periods

4:31 AM - 6:01 AM
3:14 PM - 4:44 PM
Action Rating:
Good Action 3/5
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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