Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

71.6°F

Measurement Time: Thursday, July 9, 2026, 9:00 PM 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

55°F
Clear
Clear
56°F
59.2°F
72%
SE 2.2 mph
6.7 mph
59.2°F
50.9°F
0 in
0%
9 mi
1015 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 86°F
L: 57°F
Patchy rain nearby
Sat
H: 76°F
L: 55°F
Sunny
Sun
H: 84°F
L: 47°F
Sunny
Mon
H: 89°F
L: 50°F
Sunny
Tue
H: 85°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 8.8 μg/m3
PM10: 12.1 μg/m3
Carbon Monoxide: 105 μg/m3
Nitrogen Dioxide: 10.1 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 23 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:16 PM
Sunset: 8:59 PM
Daylight: 15 hrs 26 mins
Moonrise: 1:26 AM
Moon Transit: 9:26 AM
Moonset: 5:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:56 AM - 11:26 AM
4:54 PM - 7:24 PM

Minor Periods

5:11 PM - 6:41 PM
12:56 AM - 2:26 AM

Action Rating: 2 out of 5

Friday, July 10, 2026

Weather Forecast

Sunny
85.8°F
56.7°F
69.2°F
59%
0 in
4%
0%
8.1 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 7.3 μg/m3
PM10: 10.09 μg/m3
Carbon Monoxide: 100.92 μg/m3
Nitrogen Dioxide: 4.21 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 48.38 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:16 PM
Sunset: 8:59 PM
Daylight: 15 hrs 26 mins
Moonrise: 1:26 AM
Moon Transit: 9:26 AM
Moonset: 5:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:56 AM - 11:26 AM
4:54 PM - 7:24 PM

Minor Periods

5:11 PM - 6:41 PM
12:56 AM - 2:26 AM

Action Rating: 2 out of 5

Saturday, July 11, 2026

Weather Forecast

Patchy rain nearby
75.5°F
54.7°F
64.1°F
61%
0.01 in
36%
0%
7.4 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 4.79 μg/m3
PM10: 6.48 μg/m3
Carbon Monoxide: 97.92 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 50.04 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:16 PM
Sunset: 8:59 PM
Daylight: 15 hrs 25 mins
Moonrise: 2:08 AM
Moon Transit: 10:29 AM
Moonset: 6:59 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

5:59 PM - 8:29 PM
9:59 AM - 12:29 AM

Minor Periods

6:29 PM - 7:59 PM
1:38 AM - 3:08 AM

Action Rating: 3 out of 5

Sunday, July 12, 2026

Weather Forecast

Sunny
83.7°F
46.7°F
64.5°F
48%
0 in
2%
0%
5.4 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 5.68 μg/m3
PM10: 7.59 μg/m3
Carbon Monoxide: 98.13 μg/m3
Nitrogen Dioxide: 3.36 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 61.5 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:16 PM
Sunset: 8:58 PM
Daylight: 15 hrs 24 mins
Moonrise: 3:04 AM
Moon Transit: 11:36 AM
Moonset: 8:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

7:06 PM - 9:36 PM
11:06 AM - 1:36 PM

Minor Periods

7:37 PM - 9:07 PM
2:34 AM - 4:04 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Sunny
88.9°F
49.9°F
67.7°F
47%
0 in
1%
0%
6 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 6.14 μg/m3
PM10: 7.76 μg/m3
Carbon Monoxide: 113.22 μg/m3
Nitrogen Dioxide: 4.9 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 63.75 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:16 PM
Sunset: 8:57 PM
Daylight: 15 hrs 22 mins
Moonrise: 4:16 AM
Moon Transit: 12:42 AM
Moonset: 8:59 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:11 PM - 10:41 PM
12:12 AM - 2:42 PM

Minor Periods

8:29 PM - 9:59 PM
3:46 AM - 5:16 AM

Action Rating: 5 out of 5

Tuesday, July 14, 2026

Weather Forecast

Sunny
84.5°F
48.7°F
67.6°F
46%
0 in
1%
0%
6.7 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 7.4 μg/m3
PM10: 9.48 μg/m3
Carbon Monoxide: 128.83 μg/m3
Nitrogen Dioxide: 9.45 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 39 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:16 PM
Sunset: 8:57 PM
Daylight: 15 hrs 20 mins
Moonrise: 5:37 AM
Moon Transit: 1:46 PM
Moonset: 9:38 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

9:13 PM - 11:43 PM
1:16 PM - 3:46 PM

Minor Periods

9:08 PM - 10:38 PM
5:07 AM - 6:37 AM

Action Rating: 6 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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