Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

63.9°F

Measurement Time: Saturday, October 3, 2026, 8:00 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

75°F
Clear
Clear
63%
N 2 mph
62°F

Weather Forecast

Mostly Clear
Tonight
54°F - Mostly Clear
Sunny
Sunday
83°F - Sunny
Partly Cloudy
Sunday Night
55°F - Partly Cloudy
Patchy Fog then Sunny
Monday
79°F - Patchy Fog then Sunny
Mostly Clear
Monday Night
54°F - Mostly Clear
Mostly Sunny
Tuesday
77°F - Mostly Sunny
Clear
Tuesday Night
51°F - Clear
Sunny
Wednesday
79°F - Sunny
Clear
Wednesday Night
52°F - Clear
Sunny
Thursday
80°F - Sunny
Mostly Clear
Thursday Night
53°F - Mostly Clear
Mostly Sunny
Friday
71°F - Mostly Sunny
Slight Chance Light Rain
Friday Night
49°F - Slight Chance Light Rain
Slight Chance Light Rain then Mostly Sunny
Saturday
66°F - Slight Chance Light Rain then Mostly Sunny

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

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: 7:17 AM
Sun Transit: 12:58 AM
Sunset: 6:40 PM
Daylight: 11 hrs 23 mins
Moonrise: 3:53 AM
Moon Transit: 10:44 AM
Moonset: 5:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

6:07 PM - 8:37 PM
10:14 AM - 12:44 AM

Minor Periods

4:50 PM - 6:20 PM
3:23 AM - 4:53 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: 7:17 AM
Sun Transit: 12:58 AM
Sunset: 6:40 PM
Daylight: 11 hrs 23 mins
Moonrise: 3:53 AM
Moon Transit: 10:44 AM
Moonset: 5:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

6:07 PM - 8:37 PM
10:14 AM - 12:44 AM

Minor Periods

4:50 PM - 6:20 PM
3:23 AM - 4:53 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: 7:18 AM
Sun Transit: 12:58 AM
Sunset: 6:38 PM
Daylight: 11 hrs 20 mins
Moonrise: 5:07 AM
Moon Transit: 11:29 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

6:52 PM - 9:22 PM
10:59 AM - 1:29 PM

Minor Periods

5:08 PM - 6:38 PM
4:37 AM - 6:07 AM

Action Rating: 4 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: 7:18 AM
Sun Transit: 12:58 AM
Sunset: 6:38 PM
Daylight: 11 hrs 20 mins
Moonrise: 5:07 AM
Moon Transit: 11:29 AM
Moonset: 5:38 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

6:52 PM - 9:22 PM
10:59 AM - 1:29 PM

Minor Periods

5:08 PM - 6:38 PM
4:37 AM - 6:07 AM

Action Rating: 4 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: 7:19 AM
Sun Transit: 12:57 AM
Sunset: 6:36 PM
Daylight: 11 hrs 17 mins
Moonrise: 6:20 AM
Moon Transit: 12:14 AM
Moonset: 5:57 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:37 PM - 10:07 PM
11:44 AM - 2:14 PM

Minor Periods

5:27 PM - 6:57 PM
5:50 AM - 7:20 AM

Action Rating: 4 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: 7:19 AM
Sun Transit: 12:57 AM
Sunset: 6:36 PM
Daylight: 11 hrs 17 mins
Moonrise: 6:20 AM
Moon Transit: 12:14 AM
Moonset: 5:57 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:37 PM - 10:07 PM
11:44 AM - 2:14 PM

Minor Periods

5:27 PM - 6:57 PM
5:50 AM - 7:20 AM

Action Rating: 4 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: 7:20 AM
Sun Transit: 12:57 AM
Sunset: 6:34 PM
Daylight: 11 hrs 14 mins
Moonrise: 7:31 AM
Moon Transit: 1:00 PM
Moonset: 6:16 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

8:22 PM - 10:52 PM
12:30 AM - 3:00 PM

Minor Periods

5:46 PM - 7:16 PM
7:01 AM - 8:31 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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