Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

64.6°F

Measurement Time: Tuesday, September 22, 2026, 6:00 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

67°F
Partly Sunny
Partly Sunny
70%
WNW 2 mph
57°F

Weather Forecast

Mostly Sunny
This Afternoon
72°F - Mostly Sunny
Partly Cloudy
Tonight
50°F - Partly Cloudy
Patchy Fog then Partly Sunny
Wednesday
71°F - Patchy Fog then Partly Sunny
Partly Cloudy
Wednesday Night
51°F - Partly Cloudy
Mostly Cloudy then Light Rain Likely
Thursday
70°F - Mostly Cloudy then Light Rain Likely
Rain
Thursday Night
53°F - Rain
Showers And Thunderstorms Likely
Friday
62°F - Showers And Thunderstorms Likely
Slight Chance Light Rain then Mostly Cloudy
Friday Night
47°F - Slight Chance Light Rain then Mostly Cloudy
Partly Sunny
Saturday
64°F - Partly Sunny
Mostly Cloudy
Saturday Night
48°F - Mostly Cloudy
Partly Sunny
Sunday
65°F - Partly Sunny
Partly Cloudy then Patchy Fog
Sunday Night
47°F - Partly Cloudy then Patchy Fog
Patchy Fog then Partly Sunny
Monday
66°F - Patchy Fog then Partly Sunny
Mostly Cloudy then Slight Chance Light Rain
Monday Night
48°F - Mostly Cloudy then Slight Chance Light Rain

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

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: 6:59 AM
Sun Transit: 1:03 PM
Sunset: 7:06 PM
Daylight: 12 hrs 7 mins
Moonrise: 5:53 PM
Moon Transit: 11:12 PM
Moonset: 3:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

5:50 AM - 8:20 AM
12:00 AM - 12:00 AM

Minor Periods

5:23 PM - 6:53 PM
3:02 AM - 4:32 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: 6:59 AM
Sun Transit: 1:03 PM
Sunset: 7:06 PM
Daylight: 12 hrs 7 mins
Moonrise: 5:53 PM
Moon Transit: 11:12 PM
Moonset: 3:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

5:50 AM - 8:20 AM
12:00 AM - 12:00 AM

Minor Periods

5:23 PM - 6:53 PM
3:02 AM - 4:32 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: 7:00 AM
Sun Transit: 1:02 PM
Sunset: 7:04 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:12 PM
Moon Transit: 11:56 PM
Moonset: 4:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
12:00 AM - 12:00 AM

Minor Periods

5:42 PM - 7:12 PM
4:12 AM - 5:42 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: 7:00 AM
Sun Transit: 1:02 PM
Sunset: 7:04 PM
Daylight: 12 hrs 3 mins
Moonrise: 6:12 PM
Moon Transit: 11:56 PM
Moonset: 4:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
12:00 AM - 12:00 AM

Minor Periods

5:42 PM - 7:12 PM
4:12 AM - 5:42 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: 7:02 AM
Sun Transit: 1:02 PM
Sunset: 7:02 PM
Daylight: 12 hrs mins
Moonrise: 6:30 PM
Moon Transit: 12:00 AM
Moonset: 5:53 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:18 AM - 9:48 AM

Minor Periods

6:00 PM - 7:30 PM
5:23 AM - 6:53 AM

Action Rating: 6 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: 7:02 AM
Sun Transit: 1:02 PM
Sunset: 7:02 PM
Daylight: 12 hrs mins
Moonrise: 6:30 PM
Moon Transit: 12:00 AM
Moonset: 5:53 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:18 AM - 9:48 AM

Minor Periods

6:00 PM - 7:30 PM
5:23 AM - 6:53 AM

Action Rating: 6 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: 7:03 AM
Sun Transit: 1:01 PM
Sunset: 7:00 PM
Daylight: 11 hrs 57 mins
Moonrise: 6:49 PM
Moon Transit: 5:33 AM
Moonset: 7:05 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

6:19 PM - 7:49 PM
6:35 AM - 8:05 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: 7:03 AM
Sun Transit: 1:01 PM
Sunset: 7:00 PM
Daylight: 11 hrs 57 mins
Moonrise: 6:49 PM
Moon Transit: 5:33 AM
Moonset: 7:05 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:03 AM - 7:33 AM

Minor Periods

6:19 PM - 7:49 PM
6:35 AM - 8:05 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: 7:04 AM
Sun Transit: 1:01 PM
Sunset: 6:58 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:09 PM
Moon Transit: 1:26 AM
Moonset: 8:20 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:56 AM - 3:26 AM
8:50 AM - 11:20 AM

Minor Periods

6:39 PM - 8:09 PM
7:50 AM - 9:20 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: 7:04 AM
Sun Transit: 1:01 PM
Sunset: 6:58 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:09 PM
Moon Transit: 1:26 AM
Moonset: 8:20 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:56 AM - 3:26 AM
8:50 AM - 11:20 AM

Minor Periods

6:39 PM - 8:09 PM
7:50 AM - 9:20 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: 7:05 AM
Sun Transit: 1:01 PM
Sunset: 6:56 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:33 PM
Moon Transit: 2:15 AM
Moonset: 9:37 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:45 AM - 4:15 AM
9:39 AM - 12:09 AM

Minor Periods

7:03 PM - 8:33 PM
9:07 AM - 10:37 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: 7:05 AM
Sun Transit: 1:01 PM
Sunset: 6:56 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:33 PM
Moon Transit: 2:15 AM
Moonset: 9:37 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:45 AM - 4:15 AM
9:39 AM - 12:09 AM

Minor Periods

7:03 PM - 8:33 PM
9:07 AM - 10:37 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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