Water Temperature of the Tualatin River in West Linn, OR
Current Water Temperature
Measurement Time: Tuesday, May 20, 2025, 2:00 PM PDT
Temperature Locations
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Local Points of Interest
Oswego DamSponsored Content
Station Name: TUALATIN RIVER AT OSWEGO DAM, NEAR WEST LINN, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 151 feet / 46 meters
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 (7.0 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 (12.0 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 (16.0 mi)
Clackamas River, Estacada, OR (16.6 mi)
Weather for West Linn, Oregon
Current Weather

Humidity: 59%
Feels Like: 55.1°F
Wind: NNW 3.4 mph
Wind Gusts: 6.3 mph
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Tue
H: 60°F
L: 48°F

Wed
H: 64°F
L: 41°F

Thu
H: 67°F
L: 47°F

Fri
H: 60°F
L: 46°F

Sat
H: 70°F
L: 49°F
Air Quality
Nitrogen Dioxide: 18.13 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 49 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:41 PM
Daylight: 15 hrs 6 mins
Moon Transit: 7:32 AM
Moonset: 12:54 AM
Moon Phase: Last Quarter
Moon Illumination: 32.7%
Best Times for Fishing or Hunting
Major Periods
7:02 AM - 9:32 AM2:55 PM - 5:25 PM
Minor Periods
12:24 AM - 1:54 PM1:53 AM - 3:23 AM
Action Rating: 2 out of 5
Frost Advisory issued May 20 at 2:45PM PDT until May 21 at 8:00AM PDT by NWS Portland OR
Effective: Tue May 20, 2025, 2:45 PM
Expires: Wed May 21, 2025, 8:00 AM
* WHAT...Temperatures as low as 35 will result in areas of frost. * WHERE...Upper Hood River Valley. * WHEN...From midnight tonight to 8 AM PDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures. Consider temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.
Weather Forecast
Average Temperature: 51.4°F
Average Humidity: 77%
Wind: 5.6 mph
UV Index: 1.2
Air Quality
Nitrogen Dioxide: 16.92 μg/m3
Sulphur Dioxide: 1.64 μg/m3
Ozone: 58.28 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:41 PM
Daylight: 15 hrs 6 mins
Moon Transit: 7:32 AM
Moonset: 12:54 AM
Moon Phase: Last Quarter
Moon Illumination: 32.7%
Best Times for Fishing or Hunting
Major Periods
7:02 AM - 9:32 AM2:55 PM - 5:25 PM
Minor Periods
12:24 AM - 1:54 PM1:53 AM - 3:23 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 52.1°F
Average Humidity: 73%
Wind: 7.2 mph
UV Index: 1.4
Air Quality
Nitrogen Dioxide: 17.59 μg/m3
Sulphur Dioxide: 1.79 μg/m3
Ozone: 57.85 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:42 PM
Daylight: 15 hrs 8 mins
Moon Transit: 8:19 AM
Moonset: 2:10 PM
Moon Phase: Last Quarter
Moon Illumination: 22.6%
Best Times for Fishing or Hunting
Major Periods
7:49 AM - 10:19 AM12:00 AM - 12:00 AM
Minor Periods
1:40 PM - 3:10 PM2:13 AM - 3:43 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 53.3°F
Average Humidity: 82%
Wind: 2.9 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:43 PM
Daylight: 15 hrs 10 mins
Moon Transit: 9:07 AM
Moonset: 3:27 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.9%
Best Times for Fishing or Hunting
Major Periods
8:37 AM - 11:07 AM9:16 AM - 11:46 AM
Minor Periods
2:57 PM - 4:27 PM2:32 AM - 4:02 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 53.3°F
Average Humidity: 74%
Wind: 11 mph
UV Index: 3
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:44 PM
Daylight: 15 hrs 12 mins
Moon Transit: 12:00 AM
Moonset: 4:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM5:21 PM - 7:51 PM
Minor Periods
4:18 PM - 5:48 PM2:51 AM - 4:21 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 58.4°F
Average Humidity: 66%
Wind: 3.4 mph
UV Index: 3
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:45 PM
Daylight: 15 hrs 14 mins
Moon Transit: 10:48 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.4%
Best Times for Fishing or Hunting
Major Periods
6:14 PM - 8:44 PM10:18 AM - 12:48 AM
Minor Periods
5:42 PM - 7:12 PM3:13 AM - 4:43 AM
Action Rating: 3 out of 5