Water Temperature of the Willamette River in Portland, OR

Current Water Temperature

53.4°F

Measurement Time: Sunday, April 19, 2026, 12:30 PM PDT

Temperature Locations

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Local Points of Interest

Tom McCall Waterfront Park

Willamette River

Station Name: WILLAMETTE RIVER AT PORTLAND, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 13 feet

Nearest Address:
SE Morrison Brg
Portland, OR 97204
Multnomah County

GPS Coordinates: 45.5175, -122.6691667

Nearby Water Temperatures

Crystal Springs Creek, Portland, OR (3.3 mi)
Johnson Creek, Milwaukie, OR (4.6 mi)
Fanno Creek, Beaverton, OR (7.6 mi)
Johnson Creek, Portland, OR (8.3 mi)
Kelley Creek, Portland, OR (8.7 mi)
Fanno Creek, Tigard, OR (8.9 mi)
Beaverton Creek, Beaverton, OR (8.9 mi)
Clackamas River, Oregon City, OR (10.5 mi)
Tualatin River , West Linn, OR (11.1 mi)
Johnson Creek, Gresham, OR (12.2 mi)
Rock Creek, Hillsboro, OR (12.8 mi)
Chicken Creek, Sherwood, OR (13.4 mi)
Tualatin River, Beaverton, OR (13.6 mi)
Tualatin River, Hillsboro, OR (15.6 mi)
Clackamas River, Estacada, OR (21.4 mi)

Weather for Portland, Oregon

Current Weather

70°F
Partly cloudy
Partly cloudy
70°F
70.2°F
35%
NNW 3.4 mph
6.6 mph
68.6°F
53.3°F
0 in
75%
9 mi
1008 mbar
0.2

Five Day Weather Forecast

Sunny
Sun
H: 79°F
L: 49°F
Patchy rain nearby
Mon
H: 68°F
L: 51°F
Moderate rain
Tue
H: 51°F
L: 48°F
Moderate rain
Wed
H: 49°F
L: 46°F
Partly Cloudy
Thu
H: 62°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 7.55 μg/m3
PM10: 11.55 μg/m3
Carbon Monoxide: 203.85 μg/m3
Nitrogen Dioxide: 13.85 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:09 PM
Sunset: 8:03 PM
Daylight: 13 hrs 44 mins
Moonrise: 7:09 AM
Moon Transit: 3:21 PM
Moonset: 11:46 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:51 PM - 5:21 PM

Minor Periods

12:00 AM - 12:00 AM
6:39 AM - 8:09 AM

Action Rating: 3 out of 5

Sunday, April 19, 2026

Weather Forecast

Sunny
79.3°F
48.7°F
61.8°F
59%
0 in
0%
0%
5.1 mph
4.8


Air Quality

AQI: 1 - Good
PM2.5: 10.77 μg/m3
PM10: 13.93 μg/m3
Carbon Monoxide: 417.13 μg/m3
Nitrogen Dioxide: 25.14 μg/m3
Sulphur Dioxide: 2.86 μg/m3
Ozone: 56.96 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:09 PM
Sunset: 8:03 PM
Daylight: 13 hrs 44 mins
Moonrise: 7:09 AM
Moon Transit: 3:21 PM
Moonset: 11:46 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:51 PM - 5:21 PM

Minor Periods

12:00 AM - 12:00 AM
6:39 AM - 8:09 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Patchy rain nearby
68.3°F
51°F
57.9°F
69%
0.01 in
88%
0%
8.3 mph
5.9


Air Quality

AQI: 1 - Good
PM2.5: 7.93 μg/m3
PM10: 12.28 μg/m3
Carbon Monoxide: 272.37 μg/m3
Nitrogen Dioxide: 12.46 μg/m3
Sulphur Dioxide: 2.56 μg/m3
Ozone: 70.68 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:09 PM
Sunset: 8:04 PM
Daylight: 13 hrs 47 mins
Moonrise: 7:57 AM
Moon Transit: 4:25 PM
Moonset: 12:46 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:55 PM - 6:25 PM

Minor Periods

7:27 AM - 8:57 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Moderate rain
51.1°F
47.5°F
50.1°F
94%
0.21 in
89%
0%
6.3 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 8.26 μg/m3
PM10: 11.68 μg/m3
Carbon Monoxide: 246.13 μg/m3
Nitrogen Dioxide: 16.55 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 57.52 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:09 PM
Sunset: 8:05 PM
Daylight: 13 hrs 50 mins
Moonrise: 8:58 AM
Moon Transit: 5:30 PM
Moonset: 12:59 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
5:00 PM - 7:30 PM

Minor Periods

8:28 AM - 9:58 AM
12:29 AM - 1:59 AM

Action Rating: 2 out of 5

Wednesday, April 22, 2026

Weather Forecast

Moderate rain
49.2°F
45.5°F
47.4°F
91%
0.23 in
80%
0%
11.6 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 4.45 μg/m3
PM10: 5.59 μg/m3
Carbon Monoxide: 188.09 μg/m3
Nitrogen Dioxide: 8.68 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 70.68 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:09 PM
Sunset: 8:06 PM
Daylight: 13 hrs 53 mins
Moonrise: 10:10 AM
Moon Transit: 6:32 PM
Moonset: 1:58 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
6:02 PM - 8:32 PM

Minor Periods

9:40 AM - 11:10 AM
1:28 AM - 2:58 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Partly Cloudy
61.8°F
39.6°F
50.9°F
73%
0 in
0%
0%
4.9 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 4.39 μg/m3
PM10: 5.79 μg/m3
Carbon Monoxide: 183.83 μg/m3
Nitrogen Dioxide: 8.53 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 58.15 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:08 PM
Sunset: 8:08 PM
Daylight: 13 hrs 56 mins
Moonrise: 11:28 AM
Moon Transit: 7:29 PM
Moonset: 2:43 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

2:00 AM - 4:30 AM
6:59 PM - 9:29 PM

Minor Periods

10:58 AM - 12:28 AM
2:13 AM - 3:43 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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