Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

46.6°F

Measurement Time: Tuesday, February 17, 2026, 1:00 AM PST

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

37.9°F

Conditions: Overcast

Feels Like: 34.3°F

Heat Index: 37.5°F

Humidity: 85%

Wind: S 4.7 mph

Wind Gusts: 5.7 mph

Wind Chill: 32.2°F

Dew Point: 32.6°F

Precipitation: 0 in

Cloud Cover: 100%

Visibility: 9 mi

Air Pressure: 998 mbar

UV Index: 0.7

Five Day Weather Forecast

Tue
H: 43°F
L: 33°F

Wed
H: 43°F
L: 32°F

Thu
H: 42°F
L: 33°F

Fri
H: 44°F
L: 32°F

Sat
H: 49°F
L: 33°F

Air Quality

AQI: 1 - Good

PM2.5: 7.15 μg/m3

PM10: 8.85 μg/m3

Carbon Monoxide: 251.85 μg/m3
Nitrogen Dioxide: 21.55 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 50 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:24 AM
Sunset: 5:41 PM
Daylight: 10 hrs 33 mins

Moonrise: 7:22 AM
Moon Transit: 12:42 AM
Moonset: 6:14 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:05 PM - 10:35 PM
12:12 AM - 2:42 PM

Minor Periods

5:44 PM - 7:14 PM
6:52 AM - 8:22 AM

Action Rating: 5 out of 5

Winter Weather Advisory issued February 16 at 10:04PM PST until February 20 at 4:00AM PST by NWS Portland OR

Effective: Mon February 16, 2026, 10:04 PM
Expires: Tue February 17, 2026, 12:00 PM

* WHAT...Snow expected. Total snow accumulations of 4 to 9 inches from through Monday night. Another 2 to 5 inches of snow is expected from Tuesday morning through Tuesday night, then 5 to 10 inches of snow is expected from Wednesday morning through Wednesday night and another 5 to 10 inches of snow from Thursday morning through Thursday night. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map

Winter Weather Advisory issued February 16 at 10:04PM PST until February 20 at 4:00AM PST by NWS Portland OR

Effective: Mon February 16, 2026, 10:04 PM
Expires: Tue February 17, 2026, 12:00 PM

* WHAT...Snow expected. Total snow accumulations of 2 to 6 inches through tonight. Another 0.5 to 2 inches of snow is expected from Tuesday morning through Tuesday night, then 2 to 5 inches of snow is expected from Wednesday morning through Wednesday night and another 2 to 5 inches of snow Thursday morning through Thursday night. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Mountains of Oregon, Willapa Hills, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Tuesday, February 17, 2026

Weather Forecast

Conditions: Patchy rain nearby

High Temperature: 42.6°F

Low Temperature: 32.9°F

Average Temperature: 37.1°F

Average Humidity: 85%

Precipitation: 0.06 in

Chance of Rain: 84%

Chance of Snow: 3%

Maximum Wind: 7.4 mph

UV Index: 0.3

Air Quality

AQI: 1 - Good

PM2.5: 3.05 μg/m3

PM10: 3.96 μg/m3

Carbon Monoxide: 175.37 μg/m3
Nitrogen Dioxide: 4.08 μg/m3
Sulphur Dioxide: 2.21 μg/m3
Ozone: 76.68 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:24 AM
Sunset: 5:41 PM
Daylight: 10 hrs 33 mins

Moonrise: 7:22 AM
Moon Transit: 12:42 AM
Moonset: 6:14 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:05 PM - 10:35 PM
12:12 AM - 2:42 PM

Minor Periods

5:44 PM - 7:14 PM
6:52 AM - 8:22 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Conditions: Patchy rain nearby

High Temperature: 42.8°F

Low Temperature: 31.6°F

Average Temperature: 36°F

Average Humidity: 89%

Precipitation: 0.15 in

Chance of Rain: 83%

Chance of Snow: 0%

Maximum Wind: 7.8 mph

UV Index: 0.2

Air Quality

AQI: 1 - Good

PM2.5: 7.53 μg/m3

PM10: 9.35 μg/m3

Carbon Monoxide: 256.53 μg/m3
Nitrogen Dioxide: 14.5 μg/m3
Sulphur Dioxide: 2.64 μg/m3
Ozone: 54 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:24 AM
Sunset: 5:43 PM
Daylight: 10 hrs 36 mins

Moonrise: 7:41 AM
Moon Transit: 1:27 PM
Moonset: 7:27 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:57 AM - 3:27 PM

Minor Periods

6:57 PM - 8:27 PM
7:11 AM - 8:41 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Conditions: Moderate rain

High Temperature: 41.5°F

Low Temperature: 33.3°F

Average Temperature: 36.7°F

Average Humidity: 88%

Precipitation: 0.71 in

Chance of Rain: 88%

Chance of Snow: 9%

Maximum Wind: 3.8 mph

UV Index: 0.1

Air Quality

AQI: 1 - Good

PM2.5: 3.37 μg/m3

PM10: 4.3 μg/m3

Carbon Monoxide: 172.41 μg/m3
Nitrogen Dioxide: 4.73 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 74.64 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:24 AM
Sunset: 5:44 PM
Daylight: 10 hrs 39 mins

Moonrise: 8:00 AM
Moon Transit: 1:07 PM
Moonset: 8:42 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

8:12 PM - 9:42 PM
7:30 AM - 9:00 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Conditions: Patchy rain nearby

High Temperature: 43.5°F

Low Temperature: 32.2°F

Average Temperature: 35.8°F

Average Humidity: 86%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 5.8 mph

UV Index: 0.4

Air Quality

AQI: 1 - Good

PM2.5: 4.64 μg/m3

PM10: 5.76 μg/m3

Carbon Monoxide: 193.44 μg/m3
Nitrogen Dioxide: 7.59 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 61.44 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:24 AM
Sunset: 5:45 PM
Daylight: 10 hrs 42 mins

Moonrise: 8:18 AM
Moon Transit: 3:00 PM
Moonset: 9:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:30 PM - 5:00 PM

Minor Periods

9:28 PM - 10:58 PM
7:48 AM - 9:18 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Conditions: Overcast

High Temperature: 49.4°F

Low Temperature: 32.6°F

Average Temperature: 39.2°F

Average Humidity: 75%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 9.2 mph

UV Index: 0

Air Quality

AQI: 1 - Good

PM2.5: 4.55 μg/m3

PM10: 5.12 μg/m3

Carbon Monoxide: 205.7 μg/m3
Nitrogen Dioxide: 10.88 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 54.15 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:24 AM
Sunset: 5:47 PM
Daylight: 10 hrs 45 mins

Moonrise: 8:39 AM
Moon Transit: 3:49 PM
Moonset: 11:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:19 PM - 5:49 PM

Minor Periods

12:00 AM - 12:00 AM
8:09 AM - 9:39 AM

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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Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

Temperature Locations

Local Points of Interest

Nearby Water Temperatures

Weather for West Linn, Oregon

Current Weather

Five Day Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Winter Weather Advisory issued February 16 at 10:04PM PST until February 20 at 4:00AM PST by NWS Portland OR

Winter Weather Advisory issued February 16 at 10:04PM PST until February 20 at 4:00AM PST by NWS Portland OR

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Webcams Near West Linn, OR

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