Water Temperature of the Willamette River in Portland, OR

Current Water Temperature

72.9°F

Measurement Time: Saturday, July 11, 2026, 2:30 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

63°F
Clear
Clear
63°F
60.1°F
60%
NNW 4.3 mph
5.8 mph
60.1°F
50.3°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 76°F
L: 58°F
Sunny
Sun
H: 81°F
L: 52°F
Sunny
Mon
H: 88°F
L: 52°F
Sunny
Tue
H: 88°F
L: 56°F
Sunny
Wed
H: 93°F
L: 57°F

Air Quality

AQI: 1 - Good
PM2.5: 5.7 μg/m3
PM10: 8.1 μg/m3
Carbon Monoxide: 93 μg/m3
Nitrogen Dioxide: 2.2 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:16 PM
Sunset: 8:59 PM
Daylight: 15 hrs 26 mins
Moonrise: 2:07 AM
Moon Transit: 10:29 AM
Moonset: 7:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

5:59 PM - 8:29 PM
9:59 AM - 12:29 AM

Minor Periods

6:30 PM - 8:00 PM
1:37 AM - 3:07 AM

Action Rating: 2 out of 5

Saturday, July 11, 2026

Weather Forecast

Sunny
75.7°F
58.3°F
64.8°F
70%
0 in
9%
0%
9.4 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 3.28 μg/m3
PM10: 4.34 μg/m3
Carbon Monoxide: 96.33 μg/m3
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 40.08 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:16 PM
Sunset: 8:59 PM
Daylight: 15 hrs 26 mins
Moonrise: 2:07 AM
Moon Transit: 10:29 AM
Moonset: 7:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

5:59 PM - 8:29 PM
9:59 AM - 12:29 AM

Minor Periods

6:30 PM - 8:00 PM
1:37 AM - 3:07 AM

Action Rating: 2 out of 5

Sunday, July 12, 2026

Weather Forecast

Sunny
80.5°F
52°F
65.2°F
55%
0 in
2%
0%
7.6 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 4.78 μg/m3
PM10: 6.61 μg/m3
Carbon Monoxide: 94.08 μg/m3
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 62.08 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:16 PM
Sunset: 8:58 PM
Daylight: 15 hrs 25 mins
Moonrise: 3:03 AM
Moon Transit: 11:36 AM
Moonset: 8:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

7:06 PM - 9:36 PM
11:06 AM - 1:36 PM

Minor Periods

7:38 PM - 9:08 PM
2:33 AM - 4:03 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Sunny
88.1°F
52°F
69.9°F
45%
0 in
2%
0%
6.5 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 6.36 μg/m3
PM10: 7.62 μg/m3
Carbon Monoxide: 108 μg/m3
Nitrogen Dioxide: 6.57 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 69.29 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:16 PM
Sunset: 8:58 PM
Daylight: 15 hrs 23 mins
Moonrise: 4:15 AM
Moon Transit: 12:42 AM
Moonset: 9:00 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:12 PM - 10:42 PM
12:12 AM - 2:42 PM

Minor Periods

8:30 PM - 10:00 PM
3:45 AM - 5:15 AM

Action Rating: 5 out of 5

Tuesday, July 14, 2026

Weather Forecast

Sunny
88.3°F
56.2°F
71.8°F
42%
0 in
1%
0%
8.5 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 8.22 μg/m3
PM10: 10.25 μg/m3
Carbon Monoxide: 112.33 μg/m3
Nitrogen Dioxide: 6.64 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 74.54 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:16 PM
Sunset: 8:57 PM
Daylight: 15 hrs 22 mins
Moonrise: 5:37 AM
Moon Transit: 1:46 PM
Moonset: 9:39 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

9:13 PM - 11:43 PM
1:16 PM - 3:46 PM

Minor Periods

9:09 PM - 10:39 PM
5:07 AM - 6:37 AM

Action Rating: 6 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
92.5°F
56.9°F
74.4°F
39%
0 in
1%
0%
10.1 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 7.87 μg/m3
PM10: 10.13 μg/m3
Carbon Monoxide: 116.43 μg/m3
Nitrogen Dioxide: 6.36 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:16 PM
Sunset: 8:56 PM
Daylight: 15 hrs 20 mins
Moonrise: 7:02 AM
Moon Transit: 2:44 PM
Moonset: 10:08 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:14 PM - 4:44 PM

Minor Periods

9:38 PM - 11:08 PM
6:32 AM - 8:02 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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