Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

52.3°F

Measurement Time: Sunday, March 22, 2026, 3:00 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

42.1°F
Sunny
Sunny
39.1°F
47.3°F
76%
N 4.7 mph
5.4 mph
44.3°F
37.9°F
0 in
0%
9 mi
1028 mbar
2.5

Five Day Weather Forecast

Sunny
Sun
H: 60°F
L: 35°F
Overcast
Mon
H: 50°F
L: 39°F
Heavy rain
Tue
H: 51°F
L: 45°F
Patchy rain nearby
Wed
H: 50°F
L: 37°F
Patchy rain nearby
Thu
H: 53°F
L: 33°F

Air Quality

AQI: 1 - Good
PM2.5: 4.15 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 204.85 μg/m3
Nitrogen Dioxide: 7.65 μg/m3
Sulphur Dioxide: 4.15 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:00 AM
Sunset: 7:26 PM
Daylight: 12 hrs 16 mins
Moonrise: 8:36 AM
Moon Transit: 4:32 PM
Moonset: 12:22 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:02 PM - 6:32 PM

Minor Periods

8:06 AM - 9:36 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, March 22, 2026

Weather Forecast

Sunny
59.7°F
35.2°F
45.6°F
76%
0 in
0%
0%
6.9 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 8.69 μg/m3
PM10: 11.36 μg/m3
Carbon Monoxide: 242.89 μg/m3
Nitrogen Dioxide: 12.8 μg/m3
Sulphur Dioxide: 2.56 μg/m3
Ozone: 58.04 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:00 AM
Sunset: 7:26 PM
Daylight: 12 hrs 16 mins
Moonrise: 8:36 AM
Moon Transit: 4:32 PM
Moonset: 12:22 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:02 PM - 6:32 PM

Minor Periods

8:06 AM - 9:36 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, March 23, 2026

Weather Forecast

Overcast
49.6°F
38.5°F
44.2°F
82%
0 in
0%
0%
4 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 7.07 μg/m3
PM10: 8.08 μg/m3
Carbon Monoxide: 242.25 μg/m3
Nitrogen Dioxide: 12.92 μg/m3
Sulphur Dioxide: 3.72 μg/m3
Ozone: 54.8 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:00 AM
Sunset: 7:27 PM
Daylight: 12 hrs 20 mins
Moonrise: 9:14 AM
Moon Transit: 5:33 PM
Moonset: 12:45 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
5:03 PM - 7:33 PM

Minor Periods

8:44 AM - 10:14 AM
12:15 AM - 1:45 AM

Action Rating: 3 out of 5

Tuesday, March 24, 2026

Weather Forecast

Heavy rain
51.1°F
45°F
48.1°F
90%
1.03 in
89%
0%
12.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 9.02 μg/m3
PM10: 9.96 μg/m3
Carbon Monoxide: 239.49 μg/m3
Nitrogen Dioxide: 13.57 μg/m3
Sulphur Dioxide: 4.02 μg/m3
Ozone: 49.52 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:00 AM
Sunset: 7:29 PM
Daylight: 12 hrs 23 mins
Moonrise: 10:05 AM
Moon Transit: 6:36 PM
Moonset: 2:03 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

1:02 AM - 3:32 AM
6:06 PM - 8:36 PM

Minor Periods

9:35 AM - 11:05 AM
1:33 AM - 3:03 AM

Action Rating: 2 out of 5

Wednesday, March 25, 2026

Weather Forecast

Patchy rain nearby
50.3°F
37.1°F
44.6°F
77%
0.06 in
86%
0%
10.1 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 5.29 μg/m3
PM10: 7.25 μg/m3
Carbon Monoxide: 186.21 μg/m3
Nitrogen Dioxide: 3.85 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 77.12 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 1:16 PM
Sunset: 7:30 PM
Daylight: 12 hrs 26 mins
Moonrise: 11:08 AM
Moon Transit: 7:38 PM
Moonset: 3:09 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

2:05 AM - 4:35 AM
7:08 PM - 9:38 PM

Minor Periods

10:38 AM - 12:08 AM
2:39 AM - 4:09 AM

Action Rating: 3 out of 5

Thursday, March 26, 2026

Weather Forecast

Patchy rain nearby
53.3°F
32.8°F
42°F
71%
0.01 in
85%
0%
7.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.97 μg/m3
PM10: 9.69 μg/m3
Carbon Monoxide: 235.27 μg/m3
Nitrogen Dioxide: 19.08 μg/m3
Sulphur Dioxide: 2.39 μg/m3
Ozone: 54.38 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 1:16 PM
Sunset: 7:31 PM
Daylight: 12 hrs 29 mins
Moonrise: 12:22 AM
Moon Transit: 8:38 PM
Moonset: 4:02 AM
Moon Phase: First Quarter
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

3:06 AM - 5:36 AM
8:08 PM - 10:38 PM

Minor Periods

11:52 AM - 1:22 PM
3:32 AM - 5:02 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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