Water Temperature of the Arkansas River in Portland, CO

Current Water Temperature

47.3°F

Measurement Time: Sunday, March 15, 2026, 4:30 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

22.7°F
Clear
Clear
19.2°F
22.7°F
83%
E 3.8 mph
4.4 mph
19.2°F
18.1°F
0 in
5%
6 mi
1032 mbar
0

Five Day Weather Forecast

Partly Cloudy
Sun
H: 42°F
L: 23°F
Sunny
Mon
H: 54°F
L: 19°F
Sunny
Tue
H: 73°F
L: 32°F
Sunny
Wed
H: 80°F
L: 38°F
Sunny
Thu
H: 80°F
L: 45°F

Air Quality

AQI: 1 - Good
PM2.5: 4.75 μg/m3
PM10: 5.25 μg/m3
Carbon Monoxide: 164.85 μg/m3
Nitrogen Dioxide: 7.05 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:00 AM
Sunset: 7:07 PM
Daylight: 11 hrs 56 mins
Moonrise: 5:30 AM
Moon Transit: 10:32 AM
Moonset: 3:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

8:22 PM - 10:52 PM
10:02 AM - 12:32 AM

Minor Periods

3:12 PM - 4:42 PM
5:00 AM - 6:30 AM

Action Rating: 2 out of 5

High Wind Warning issued March 15 at 10:04AM MDT until March 15 at 7:00PM MDT by NWS Pueblo CO

Effective: Sun March 15, 2026, 10:04 AM
Expires: Sun March 15, 2026, 6:15 PM

* WHAT...North winds 30 to 40 mph with gusts of 60 to 70 mph possible. * WHERE...Portions of east central and southeast Colorado. * WHEN...Until 7 PM MDT this evening. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult, especially for high profile vehicles traveling on east-west roadways. * ADDITIONAL DETAILS...Areas of blowing dust could reduce visibility to under a mile at times. Be especially careful near recently plowed lands or locations with disturbed soils. Visibility can change rapidly over short distances.

Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.
Sunday, March 15, 2026

Weather Forecast

Partly Cloudy
42.4°F
22.5°F
37.3°F
48%
0 in
0%
0%
34.4 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 3.66 μg/m3
PM10: 9.59 μg/m3
Carbon Monoxide: 122.49 μg/m3
Nitrogen Dioxide: 1.84 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 114.24 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:00 AM
Sunset: 7:07 PM
Daylight: 11 hrs 56 mins
Moonrise: 5:30 AM
Moon Transit: 10:32 AM
Moonset: 3:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

8:22 PM - 10:52 PM
10:02 AM - 12:32 AM

Minor Periods

3:12 PM - 4:42 PM
5:00 AM - 6:30 AM

Action Rating: 2 out of 5

Monday, March 16, 2026

Weather Forecast

Sunny
54.1°F
19.4°F
35.8°F
48%
0 in
0%
0%
8.7 mph
1.1


Air Quality

AQI: 1 - Good
PM2.5: 3.57 μg/m3
PM10: 4.63 μg/m3
Carbon Monoxide: 167.29 μg/m3
Nitrogen Dioxide: 4.89 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 98.48 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:00 AM
Sunset: 7:08 PM
Daylight: 11 hrs 59 mins
Moonrise: 5:59 AM
Moon Transit: 11:20 AM
Moonset: 4:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

9:09 PM - 11:39 PM
10:50 AM - 1:20 PM

Minor Periods

4:20 PM - 5:50 PM
5:29 AM - 6:59 AM

Action Rating: 3 out of 5

Tuesday, March 17, 2026

Weather Forecast

Sunny
73°F
32.1°F
51.6°F
42%
0 in
0%
0%
17.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.42 μg/m3
PM10: 6.53 μg/m3
Carbon Monoxide: 145.41 μg/m3
Nitrogen Dioxide: 3.59 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 86.4 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:00 AM
Sunset: 7:09 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:26 AM
Moon Transit: 12:06 AM
Moonset: 5:58 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:36 AM - 2:06 PM

Minor Periods

5:28 PM - 6:58 PM
5:56 AM - 7:26 AM

Action Rating: 5 out of 5

Wednesday, March 18, 2026

Weather Forecast

Sunny
80.1°F
37.8°F
56.4°F
30%
0 in
0%
0%
14.3 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 4.34 μg/m3
PM10: 8.82 μg/m3
Carbon Monoxide: 128.33 μg/m3
Nitrogen Dioxide: 3.49 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 96.52 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:00 AM
Sunset: 7:10 PM
Daylight: 12 hrs 4 mins
Moonrise: 6:50 AM
Moon Transit: 12:52 AM
Moonset: 7:07 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:22 AM - 2:52 PM

Minor Periods

6:37 PM - 8:07 PM
6:20 AM - 7:50 AM

Action Rating: 3 out of 5

Thursday, March 19, 2026

Weather Forecast

Sunny
79.8°F
45.1°F
61.1°F
19%
0 in
0%
0%
8.1 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 4.28 μg/m3
PM10: 6.87 μg/m3
Carbon Monoxide: 153.16 μg/m3
Nitrogen Dioxide: 6.01 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 83.92 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:00 AM
Sunset: 7:11 PM
Daylight: 12 hrs 6 mins
Moonrise: 7:15 AM
Moon Transit: 12:00 AM
Moonset: 8:18 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

7:48 PM - 9:18 PM
6:45 AM - 8:15 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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