Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

54.3°F 12.4°C
Cold Thermal Gear Required
54.3°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Saturday, November 7, 2026, 4:00 PM PST

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

54.3°F
Moderate rain
Conditions: Moderate rain
Humidity: 95%
Feels Like: 50°F
Wind: SW 10.5 mph
Wind Gusts: 29.1 mph
Pressure: 29.94 in
Precipitation: 0.16 in
Cloud Cover: 100%
Visibility: 4 mi
UV Index: 0

Weather Forecast

Overcast
Sat
H: 64°F
L: 47°F
Patchy rain nearby
Sun
H: 57°F
L: 44°F
Overcast
Mon
H: 58°F
L: 44°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
1.5 μg/m³
Good
PM10
1.8 μg/m³
Good
Ozone (O3)
64 μg/m³
Photochemical
NO2
1.8 μg/m³
Nitrogen Dioxide
SO2
0.2 μg/m³
Sulfur Dioxide
CO
124 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 51m daylight
Sunrise 6:59 AM
Solar Noon 11:54 AM
Sunset 4:50 PM
Moon
Waning Crescent • 1%
Moonrise 5:28 AM
Transit 10:39 AM
Moonset 3:41 PM

Best Times for Fishing or Hunting

Major Periods

10:09 AM - 12:39 PM
10:32 PM - 1:02 AM

Minor Periods

4:58 AM - 6:28 AM
3:11 PM - 4:41 PM
Action Rating:
Good Action 3/5
Saturday, November 7, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 54.7°F
Average Humidity: 84%
Chance of Rain: 85%
Wind: 14.1 mph
UV Index: 1.7

Astronomical

Sun
9h 51m daylight
Sunrise 6:59 AM
Solar Noon 11:54 AM
Sunset 4:50 PM
Moon
Waning Crescent • 1%
Moonrise 5:28 AM
Transit 10:39 AM
Moonset 3:41 PM

Best Times for Fishing or Hunting

Major Periods

10:09 AM - 12:39 PM
10:32 PM - 1:02 AM

Minor Periods

4:58 AM - 6:28 AM
3:11 PM - 4:41 PM
Action Rating:
Good Action 3/5
Sunday, November 8, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 51.6°F
Average Humidity: 85%
Chance of Rain: 86%
Wind: 12.5 mph
UV Index: 1.5

Astronomical

Sun
9h 49m daylight
Sunrise 7:00 AM
Solar Noon 11:54 AM
Sunset 4:49 PM
Moon
New • 0%
Moonrise 6:39 AM
Transit 11:26 AM
Moonset 4:05 PM

Best Times for Fishing or Hunting

Major Periods

10:56 AM - 1:26 PM
11:19 PM - 1:49 AM

Minor Periods

6:09 AM - 7:39 AM
3:35 PM - 5:05 PM
Action Rating:
Very Good 4/5
Monday, November 9, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 51°F
Average Humidity: 84%
Chance of Rain: 88%
Wind: 10.7 mph
UV Index: 1.5

Astronomical

Sun
9h 46m daylight
Sunrise 7:01 AM
Solar Noon 11:54 AM
Sunset 4:47 PM
Moon
New • 2%
Moonrise 7:48 AM
Transit 12:14 PM
Moonset 4:35 PM

Best Times for Fishing or Hunting

Major Periods

12:09 AM - 2:39 AM
11:44 AM - 2:14 PM

Minor Periods

7:18 AM - 8:48 AM
4:05 PM - 5:35 PM
Action Rating:
Very Good 4/5
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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