Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

63.7°F

Measurement Time: Wednesday, September 16, 2026, 12:00 AM PDT

Temperature Locations

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Local Points of Interest

Oswego Dam

Tualatin River

Station Name: TUALATIN RIVER AT OSWEGO DAM, NEAR WEST LINN, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 151 feet

Nearest Address:
967 SW Borland Rd
West Linn, OR 97068
Clackamas County

GPS Coordinates: 45.35650877, -122.6850937

Nearby Water Temperatures

Fanno Creek, Tigard, OR (4.7 mi)
Clackamas River, Oregon City, OR (5.5 mi)
Johnson Creek, Milwaukie, OR (7 mi)
Crystal Springs Creek, Portland, OR (8.4 mi)
Fanno Creek, Beaverton, OR (8.4 mi)
Chicken Creek, Sherwood, OR (8.5 mi)
Tualatin River, Beaverton, OR (10.7 mi)
Willamette River, Portland, OR (11.1 mi)
Johnson Creek, Portland, OR (12 mi)
Kelley Creek, Portland, OR (12.3 mi)
Beaverton Creek, Beaverton, OR (12.8 mi)
Willamette River, West Linn, OR (14.3 mi)
Johnson Creek, Gresham, OR (15.6 mi)
Rock Creek, Hillsboro, OR (16 mi)
Clackamas River, Estacada, OR (16.6 mi)

Weather for West Linn, Oregon

Current Weather

52°F
Sunny
Sunny
91%
N 5 mph
49°F

Weather Forecast

Sunny
Today
82°F - Sunny
Clear
Tonight
55°F - Clear
Mostly Sunny
Thursday
84°F - Mostly Sunny
Partly Cloudy
Thursday Night
55°F - Partly Cloudy
Mostly Sunny
Friday
76°F - Mostly Sunny
Mostly Clear
Friday Night
53°F - Mostly Clear
Sunny
Saturday
78°F - Sunny
Mostly Clear
Saturday Night
53°F - Mostly Clear
Sunny
Sunday
81°F - Sunny
Mostly Clear
Sunday Night
54°F - Mostly Clear
Mostly Sunny
Monday
76°F - Mostly Sunny
Partly Cloudy
Monday Night
53°F - Partly Cloudy
Mostly Sunny
Tuesday
75°F - Mostly Sunny
Partly Cloudy
Tuesday Night
53°F - Partly Cloudy

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:05 PM
Sunset: 7:19 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:19 PM
Moon Transit: 5:30 PM
Moonset: 9:36 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
5:00 PM - 7:30 PM

Minor Periods

9:06 PM - 10:36 PM
12:49 AM - 2:19 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:05 PM
Sunset: 7:19 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:19 PM
Moon Transit: 5:30 PM
Moonset: 9:36 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
5:00 PM - 7:30 PM

Minor Periods

9:06 PM - 10:36 PM
12:49 AM - 2:19 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 1:05 PM
Sunset: 7:19 PM
Daylight: 12 hrs 28 mins
Moonrise: 1:19 PM
Moon Transit: 5:30 PM
Moonset: 9:36 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
5:00 PM - 7:30 PM

Minor Periods

9:06 PM - 10:36 PM
12:49 AM - 2:19 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 1:05 PM
Sunset: 7:17 PM
Daylight: 12 hrs 25 mins
Moonrise: 2:22 PM
Moon Transit: 6:21 PM
Moonset: 10:19 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

12:54 AM - 3:24 AM
5:51 PM - 8:21 PM

Minor Periods

9:49 PM - 11:19 PM
1:52 PM - 3:22 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:52 AM
Sun Transit: 1:05 PM
Sunset: 7:17 PM
Daylight: 12 hrs 25 mins
Moonrise: 2:22 PM
Moon Transit: 6:21 PM
Moonset: 10:19 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

12:54 AM - 3:24 AM
5:51 PM - 8:21 PM

Minor Periods

9:49 PM - 11:19 PM
1:52 PM - 3:22 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:04 PM
Sunset: 7:15 PM
Daylight: 12 hrs 22 mins
Moonrise: 3:16 PM
Moon Transit: 7:12 PM
Moonset: 11:10 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

1:46 AM - 4:16 AM
6:42 PM - 9:12 PM

Minor Periods

12:00 AM - 12:00 AM
2:46 PM - 4:16 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:04 PM
Sunset: 7:15 PM
Daylight: 12 hrs 22 mins
Moonrise: 3:16 PM
Moon Transit: 7:12 PM
Moonset: 11:10 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

1:46 AM - 4:16 AM
6:42 PM - 9:12 PM

Minor Periods

12:00 AM - 12:00 AM
2:46 PM - 4:16 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:04 PM
Sunset: 7:13 PM
Daylight: 12 hrs 19 mins
Moonrise: 4:02 PM
Moon Transit: 8:03 PM
Moonset: 12:10 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
7:33 PM - 10:03 PM

Minor Periods

3:32 PM - 5:02 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:04 PM
Sunset: 7:13 PM
Daylight: 12 hrs 19 mins
Moonrise: 4:02 PM
Moon Transit: 8:03 PM
Moonset: 12:10 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
7:33 PM - 10:03 PM

Minor Periods

3:32 PM - 5:02 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:04 PM
Sunset: 7:12 PM
Daylight: 12 hrs 16 mins
Moonrise: 4:39 PM
Moon Transit: 8:53 PM
Moonset: 12:09 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

3:28 AM - 5:58 AM
8:23 PM - 10:53 PM

Minor Periods

4:09 PM - 5:39 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:04 PM
Sunset: 7:12 PM
Daylight: 12 hrs 16 mins
Moonrise: 4:39 PM
Moon Transit: 8:53 PM
Moonset: 12:09 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

3:28 AM - 5:58 AM
8:23 PM - 10:53 PM

Minor Periods

4:09 PM - 5:39 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:03 PM
Sunset: 7:10 PM
Daylight: 12 hrs 13 mins
Moonrise: 5:08 PM
Moon Transit: 9:41 PM
Moonset: 1:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
9:11 PM - 11:41 PM

Minor Periods

4:38 PM - 6:08 PM
12:44 AM - 2:14 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:03 PM
Sunset: 7:10 PM
Daylight: 12 hrs 13 mins
Moonrise: 5:08 PM
Moon Transit: 9:41 PM
Moonset: 1:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
9:11 PM - 11:41 PM

Minor Periods

4:38 PM - 6:08 PM
12:44 AM - 2:14 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:03 PM
Sunset: 7:08 PM
Daylight: 12 hrs 10 mins
Moonrise: 5:32 PM
Moon Transit: 10:27 PM
Moonset: 2:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
12:00 AM - 12:00 AM

Minor Periods

5:02 PM - 6:32 PM
1:53 AM - 3:23 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:03 PM
Sunset: 7:08 PM
Daylight: 12 hrs 10 mins
Moonrise: 5:32 PM
Moon Transit: 10:27 PM
Moonset: 2:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

5:04 AM - 7:34 AM
12:00 AM - 12:00 AM

Minor Periods

5:02 PM - 6:32 PM
1:53 AM - 3:23 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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