Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

62.8°F

Measurement Time: Wednesday, September 30, 2026, 2:00 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

70°F
Sunny
Sunny
60%
N 3 mph
55°F

Weather Forecast

Mostly Sunny
This Afternoon
72°F - Mostly Sunny
Mostly Cloudy
Tonight
51°F - Mostly Cloudy
Mostly Sunny
Thursday
78°F - Mostly Sunny
Partly Cloudy
Thursday Night
54°F - Partly Cloudy
Mostly Sunny
Friday
79°F - Mostly Sunny
Partly Cloudy
Friday Night
54°F - Partly Cloudy
Sunny
Saturday
82°F - Sunny
Mostly Clear
Saturday Night
54°F - Mostly Clear
Sunny
Sunday
84°F - Sunny
Partly Cloudy
Sunday Night
55°F - Partly Cloudy
Mostly Sunny
Monday
78°F - Mostly Sunny
Partly Cloudy
Monday Night
53°F - Partly Cloudy
Mostly Sunny
Tuesday
75°F - Mostly Sunny
Partly Cloudy
Tuesday Night
52°F - Partly Cloudy

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:00 PM
Sunset: 6:53 PM
Daylight: 11 hrs 45 mins
Moonrise: 8:45 PM
Moon Transit: 4:04 AM
Moonset: 12:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:34 AM - 6:04 AM
11:31 AM - 2:01 PM

Minor Periods

8:15 PM - 9:45 PM
11:48 AM - 1:18 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: 7:08 AM
Sun Transit: 1:00 PM
Sunset: 6:53 PM
Daylight: 11 hrs 45 mins
Moonrise: 8:45 PM
Moon Transit: 4:04 AM
Moonset: 12:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:34 AM - 6:04 AM
11:31 AM - 2:01 PM

Minor Periods

8:15 PM - 9:45 PM
11:48 AM - 1:18 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: 7:08 AM
Sun Transit: 1:00 PM
Sunset: 6:53 PM
Daylight: 11 hrs 45 mins
Moonrise: 8:45 PM
Moon Transit: 4:04 AM
Moonset: 12:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:34 AM - 6:04 AM
11:31 AM - 2:01 PM

Minor Periods

8:15 PM - 9:45 PM
11:48 AM - 1:18 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: 7:09 AM
Sun Transit: 1:00 PM
Sunset: 6:51 PM
Daylight: 11 hrs 42 mins
Moonrise: 9:37 PM
Moon Transit: 5:04 AM
Moonset: 1:33 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:34 AM - 7:04 AM
12:33 AM - 3:03 PM

Minor Periods

9:07 PM - 10:37 PM
1:03 PM - 2:33 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: 7:09 AM
Sun Transit: 1:00 PM
Sunset: 6:51 PM
Daylight: 11 hrs 42 mins
Moonrise: 9:37 PM
Moon Transit: 5:04 AM
Moonset: 1:33 PM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:34 AM - 7:04 AM
12:33 AM - 3:03 PM

Minor Periods

9:07 PM - 10:37 PM
1:03 PM - 2:33 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: 7:10 AM
Sun Transit: 1:00 PM
Sunset: 6:49 PM
Daylight: 11 hrs 39 mins
Moonrise: 10:43 PM
Moon Transit: 6:07 AM
Moonset: 2:37 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:37 AM - 8:07 AM
1:36 PM - 4:06 PM

Minor Periods

10:13 PM - 11:43 PM
2:07 PM - 3:37 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: 7:10 AM
Sun Transit: 1:00 PM
Sunset: 6:49 PM
Daylight: 11 hrs 39 mins
Moonrise: 10:43 PM
Moon Transit: 6:07 AM
Moonset: 2:37 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:37 AM - 8:07 AM
1:36 PM - 4:06 PM

Minor Periods

10:13 PM - 11:43 PM
2:07 PM - 3:37 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: 7:12 AM
Sun Transit: 1:00 PM
Sunset: 6:47 PM
Daylight: 11 hrs 36 mins
Moonrise: 11:58 PM
Moon Transit: 7:09 AM
Moonset: 3:27 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:39 AM - 9:09 AM
2:37 PM - 5:07 PM

Minor Periods

12:00 AM - 12:00 AM
2:57 PM - 4:27 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: 7:12 AM
Sun Transit: 1:00 PM
Sunset: 6:47 PM
Daylight: 11 hrs 36 mins
Moonrise: 11:58 PM
Moon Transit: 7:09 AM
Moonset: 3:27 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:39 AM - 9:09 AM
2:37 PM - 5:07 PM

Minor Periods

12:00 AM - 12:00 AM
2:57 PM - 4:27 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: 7:13 AM
Sun Transit: 1:00 PM
Sunset: 6:45 PM
Daylight: 11 hrs 32 mins
Moonrise: 12:58 AM
Moon Transit: 8:09 AM
Moonset: 4:06 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:39 AM - 10:09 AM
3:36 PM - 6:06 PM

Minor Periods

3:36 PM - 5:06 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: 7:13 AM
Sun Transit: 1:00 PM
Sunset: 6:45 PM
Daylight: 11 hrs 32 mins
Moonrise: 12:58 AM
Moon Transit: 8:09 AM
Moonset: 4:06 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:39 AM - 10:09 AM
3:36 PM - 6:06 PM

Minor Periods

3:36 PM - 5:06 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: 7:14 AM
Sun Transit: 1:00 PM
Sunset: 6:43 PM
Daylight: 11 hrs 29 mins
Moonrise: 1:17 AM
Moon Transit: 9:04 AM
Moonset: 4:36 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
4:30 PM - 7:00 PM

Minor Periods

4:06 PM - 5:36 PM
12:47 AM - 2:17 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: 7:14 AM
Sun Transit: 1:00 PM
Sunset: 6:43 PM
Daylight: 11 hrs 29 mins
Moonrise: 1:17 AM
Moon Transit: 9:04 AM
Moonset: 4:36 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
4:30 PM - 7:00 PM

Minor Periods

4:06 PM - 5:36 PM
12:47 AM - 2:17 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: 7:15 AM
Sun Transit: 12:58 AM
Sunset: 6:42 PM
Daylight: 11 hrs 26 mins
Moonrise: 2:37 AM
Moon Transit: 9:56 AM
Moonset: 5:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:20 PM - 7:50 PM
9:26 AM - 11:56 AM

Minor Periods

4:30 PM - 6:00 PM
2:07 AM - 3:37 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: 7:15 AM
Sun Transit: 12:58 AM
Sunset: 6:42 PM
Daylight: 11 hrs 26 mins
Moonrise: 2:37 AM
Moon Transit: 9:56 AM
Moonset: 5:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

5:20 PM - 7:50 PM
9:26 AM - 11:56 AM

Minor Periods

4:30 PM - 6:00 PM
2:07 AM - 3:37 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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