Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

58.3°F

Measurement Time: Monday, October 19, 2026, 12:00 AM 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

46.6°F
Patchy rain nearby
Conditions: Patchy rain nearby
Humidity: 72%
Feels Like: 42.8°F
Wind: SE 2.2 mph
Wind Gusts: 2.3 mph
Pressure: 29.97 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Overcast
Mon
H: 64°F
L: 46°F
Overcast
Tue
H: 75°F
L: 45°F
Cloudy
Wed
H: 73°F
L: 46°F

Air Quality

PM2.5: 13.1 μg/m3
PM10: 14.5 μg/m3
Carbon Monoxide: 220 μg/m3
Nitrogen Dioxide: 22.2 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 11 μg/m3

Astronomical

Sunrise: 7:32 AM
Sun Transit: 12:55 AM
Sunset: 6:18 PM
Daylight: 10 hrs 46 mins
Moonrise: 3:33 PM
Moon Transit: 8:19 PM
Moonset: 12:06 AM
Moon Phase: First Quarter
Moon Illumination: 59.6%

Best Times for Fishing or Hunting

Major Periods

2:56 AM - 5:26 AM
7:49 PM - 10:19 PM

Minor Periods

3:03 PM - 4:33 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, October 19, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 52.7°F
Average Humidity: 56%
Chance of Rain: 14%
Wind: 4.9 mph
UV Index: 2.4

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: 7:32 AM
Sun Transit: 12:55 AM
Sunset: 6:18 PM
Daylight: 10 hrs 46 mins
Moonrise: 3:33 PM
Moon Transit: 8:19 PM
Moonset: 12:06 AM
Moon Phase: First Quarter
Moon Illumination: 59.6%

Best Times for Fishing or Hunting

Major Periods

2:56 AM - 5:26 AM
7:49 PM - 10:19 PM

Minor Periods

3:03 PM - 4:33 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, October 20, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 56.9°F
Average Humidity: 47%
Chance of Rain: 8%
Wind: 4.7 mph
UV Index: 2.5

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: 7:34 AM
Sun Transit: 12:55 AM
Sunset: 6:17 PM
Daylight: 10 hrs 43 mins
Moonrise: 3:55 PM
Moon Transit: 9:03 PM
Moonset: 1:14 AM
Moon Phase: First Quarter
Moon Illumination: 70.4%

Best Times for Fishing or Hunting

Major Periods

3:42 AM - 6:12 AM
8:33 PM - 11:03 PM

Minor Periods

3:25 PM - 4:55 PM
12:44 AM - 2:14 AM

Action Rating: 2 out of 5

Wednesday, October 21, 2026

Weather Forecast

Conditions: Cloudy
Average Temperature: 56.6°F
Average Humidity: 43%
Chance of Rain: 4%
Wind: 4.3 mph
UV Index: 2.5

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: 7:35 AM
Sun Transit: 12:55 AM
Sunset: 6:15 PM
Daylight: 10 hrs 40 mins
Moonrise: 4:15 PM
Moon Transit: 9:47 PM
Moonset: 2:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.1%

Best Times for Fishing or Hunting

Major Periods

4:26 AM - 6:56 AM
9:17 PM - 11:47 PM

Minor Periods

3:45 PM - 5:15 PM
1:53 AM - 3:23 AM

Action Rating: 2 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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