Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

54.3°F

Measurement Time: Thursday, October 29, 2026, 8:00 AM PDT

Temperature Locations

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Local Points of Interest

Oswego Dam

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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

53.9°F
Light rain shower
Conditions: Light rain shower
Humidity: 75%
Feels Like: 51.8°F
Wind: WSW 2.2 mph
Wind Gusts: 9.9 mph
Pressure: 29.96 in
Precipitation: 0.01 in
Cloud Cover: 81%
Visibility: 6 mi
UV Index: 1.9

Weather Forecast

Patchy rain nearby
Thu
H: 56°F
L: 38°F
Patchy rain nearby
Fri
H: 55°F
L: 39°F
Overcast
Sat
H: 54°F
L: 36°F

Air Quality

PM2.5: 5.9 μg/m3
PM10: 7.6 μg/m3
Carbon Monoxide: 165 μg/m3
Nitrogen Dioxide: 2.7 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 7:46 AM
Sun Transit: 12:54 AM
Sunset: 6:02 PM
Daylight: 10 hrs 16 mins
Moonrise: 8:34 PM
Moon Transit: 3:57 AM
Moonset: 12:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 81.4%

Best Times for Fishing or Hunting

Major Periods

3:27 AM - 5:57 AM
11:27 AM - 1:57 PM

Minor Periods

8:04 PM - 9:34 PM
11:58 AM - 1:28 PM

Action Rating: 2 out of 5

Thursday, October 29, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 45.6°F
Average Humidity: 87%
Chance of Rain: 80%
Wind: 5.4 mph
UV Index: 1.9

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: 7:46 AM
Sun Transit: 12:54 AM
Sunset: 6:02 PM
Daylight: 10 hrs 16 mins
Moonrise: 8:34 PM
Moon Transit: 3:57 AM
Moonset: 12:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 81.4%

Best Times for Fishing or Hunting

Major Periods

3:27 AM - 5:57 AM
11:27 AM - 1:57 PM

Minor Periods

8:04 PM - 9:34 PM
11:58 AM - 1:28 PM

Action Rating: 2 out of 5

Friday, October 30, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 46.3°F
Average Humidity: 85%
Chance of Rain: 82%
Wind: 7.4 mph
UV Index: 1.7

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: 7:47 AM
Sun Transit: 12:54 AM
Sunset: 6:01 PM
Daylight: 10 hrs 13 mins
Moonrise: 9:48 PM
Moon Transit: 5:02 AM
Moonset: 1:24 PM
Moon Phase: Waning Gibbous
Moon Illumination: 71.9%

Best Times for Fishing or Hunting

Major Periods

4:32 AM - 7:02 AM
12:30 AM - 3:00 PM

Minor Periods

9:18 PM - 10:48 PM
12:54 AM - 2:24 PM

Action Rating: 2 out of 5

Saturday, October 31, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 43.8°F
Average Humidity: 85%
Chance of Rain: 66%
Wind: 4.3 mph
UV Index: 1.5

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: 7:49 AM
Sun Transit: 12:54 AM
Sunset: 5:59 PM
Daylight: 10 hrs 10 mins
Moonrise: 11:08 PM
Moon Transit: 6:04 AM
Moonset: 2:07 PM
Moon Phase: Waning Gibbous
Moon Illumination: 61.2%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
1:31 PM - 4:01 PM

Minor Periods

12:00 AM - 12:00 AM
1:37 PM - 3:07 PM

Action Rating: 3 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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