Water Temperature of the Tualatin River in West Linn, OR
Current Water Temperature
61.2°F
Measurement Time: Friday, May 9, 2025, 1:00 AM PDT
Temperature Locations
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Local Points of Interest
Oswego DamSponsored Content
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 / 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
51.1°F

Conditions: Partly Cloudy
Humidity: 65%
Feels Like: 51.6°F
Wind: NNW 2.2 mph
Wind Gusts: 2.6 mph
Humidity: 65%
Feels Like: 51.6°F
Wind: NNW 2.2 mph
Wind Gusts: 2.6 mph
Pressure: 30.21 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.9
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.9
Five Day Weather Forecast

Fri
H: 75°F
L: 48°F

Sat
H: 67°F
L: 51°F

Sun
H: 57°F
L: 50°F

Mon
H: 58°F
L: 46°F

Tue
H: 59°F
L: 43°F
Air Quality
AQI:
1 - Good
PM2.5:
8.33 μg/m3
PM10:
11.1 μg/m3
Carbon Monoxide: 340.4 μg/m3
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 119 μg/m3
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 119 μg/m3
Astronomical
Sunrise: 5:47 AM
Sun Transit: 1:07 PM
Sunset: 8:28 PM
Daylight: 14 hrs 41 mins
Sun Transit: 1:07 PM
Sunset: 8:28 PM
Daylight: 14 hrs 41 mins
Moonrise: 5:53 PM
Moon Transit: 11:20 PM
Moonset: 4:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.0%
Moon Transit: 11:20 PM
Moonset: 4:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.0%
Best Times for Fishing or Hunting
Major Periods
6:01 AM - 8:31 AM12:00 AM - 12:00 AM
Minor Periods
5:23 PM - 6:53 PM3:51 AM - 5:21 AM
Action Rating: 4 out of 5
Friday, May 9, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 61.8°F
Average Humidity: 53%
Average Temperature: 61.8°F
Average Humidity: 53%
Chance of Rain: 0%
Wind: 3.4 mph
UV Index: 1.8
Wind: 3.4 mph
UV Index: 1.8
Air Quality
AQI:
1 - Good
PM2.5:
11.88 μg/m3
PM10:
14.19 μg/m3
Carbon Monoxide: 400.12 μg/m3
Nitrogen Dioxide: 21.36 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 73.32 μg/m3
Nitrogen Dioxide: 21.36 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 73.32 μg/m3
Astronomical
Sunrise: 5:47 AM
Sun Transit: 1:07 PM
Sunset: 8:28 PM
Daylight: 14 hrs 41 mins
Sun Transit: 1:07 PM
Sunset: 8:28 PM
Daylight: 14 hrs 41 mins
Moonrise: 5:53 PM
Moon Transit: 11:20 PM
Moonset: 4:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.0%
Moon Transit: 11:20 PM
Moonset: 4:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.0%
Best Times for Fishing or Hunting
Major Periods
6:01 AM - 8:31 AM12:00 AM - 12:00 AM
Minor Periods
5:23 PM - 6:53 PM3:51 AM - 5:21 AM
Action Rating: 4 out of 5
Saturday, May 10, 2025
Weather Forecast
Conditions: Partly Cloudy
Average Temperature: 58.7°F
Average Humidity: 49%
Average Temperature: 58.7°F
Average Humidity: 49%
Chance of Rain: 0%
Wind: 7.4 mph
UV Index: 1.4
Wind: 7.4 mph
UV Index: 1.4
Air Quality
AQI:
1 - Good
PM2.5:
9.21 μg/m3
PM10:
12.26 μg/m3
Carbon Monoxide: 424.24 μg/m3
Nitrogen Dioxide: 14.12 μg/m3
Sulphur Dioxide: 2.06 μg/m3
Ozone: 66.32 μg/m3
Nitrogen Dioxide: 14.12 μg/m3
Sulphur Dioxide: 2.06 μg/m3
Ozone: 66.32 μg/m3
Astronomical
Sunrise: 5:46 AM
Sun Transit: 1:07 PM
Sunset: 8:29 PM
Daylight: 14 hrs 43 mins
Sun Transit: 1:07 PM
Sunset: 8:29 PM
Daylight: 14 hrs 43 mins
Moonrise: 6:58 PM
Moon Transit: 12:00 AM
Moonset: 4:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.1%
Moon Transit: 12:00 AM
Moonset: 4:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM6:41 AM - 9:11 AM
Minor Periods
6:28 PM - 7:58 PM4:07 AM - 5:37 AM
Action Rating: 3 out of 5
Sunday, May 11, 2025
Weather Forecast
Conditions: Patchy rain nearby
Average Temperature: 53.2°F
Average Humidity: 71%
Average Temperature: 53.2°F
Average Humidity: 71%
Chance of Rain: 74%
Wind: 9.6 mph
UV Index: 1.1
Wind: 9.6 mph
UV Index: 1.1
Air Quality
AQI:
1 - Good
PM2.5:
10.91 μg/m3
PM10:
15.24 μg/m3
Carbon Monoxide: 331.89 μg/m3
Nitrogen Dioxide: 18 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 62.76 μg/m3
Nitrogen Dioxide: 18 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 62.76 μg/m3
Astronomical
Sunrise: 5:45 AM
Sun Transit: 1:07 PM
Sunset: 8:30 PM
Daylight: 14 hrs 46 mins
Sun Transit: 1:07 PM
Sunset: 8:30 PM
Daylight: 14 hrs 46 mins
Moonrise: 8:05 PM
Moon Transit: 12:01 AM
Moonset: 4:55 AM
Moon Phase: Full
Moon Illumination: 99.7%
Moon Transit: 12:01 AM
Moonset: 4:55 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:23 AM - 9:53 AM
Minor Periods
7:35 PM - 9:05 PM4:25 AM - 5:55 AM
Action Rating: 4 out of 5
Monday, May 12, 2025
Weather Forecast
Conditions: Patchy rain nearby
Average Temperature: 51.2°F
Average Humidity: 84%
Average Temperature: 51.2°F
Average Humidity: 84%
Chance of Rain: 86%
Wind: 5.1 mph
UV Index: 1.1
Wind: 5.1 mph
UV Index: 1.1
Air Quality
AQI:
1 - Good
PM2.5:
5.75 μg/m3
PM10:
7.09 μg/m3
Carbon Monoxide: 367.41 μg/m3
Nitrogen Dioxide: 16.4 μg/m3
Sulphur Dioxide: 2.58 μg/m3
Ozone: 60.8 μg/m3
Nitrogen Dioxide: 16.4 μg/m3
Sulphur Dioxide: 2.58 μg/m3
Ozone: 60.8 μg/m3
Astronomical
Sunrise: 5:43 AM
Sun Transit: 1:07 PM
Sunset: 8:32 PM
Daylight: 14 hrs 48 mins
Sun Transit: 1:07 PM
Sunset: 8:32 PM
Daylight: 14 hrs 48 mins
Moonrise: 9:12 PM
Moon Transit: 12:45 AM
Moonset: 5:18 AM
Moon Phase: Full
Moon Illumination: 99.7%
Moon Transit: 12:45 AM
Moonset: 5:18 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:15 AM - 2:45 AM8:08 AM - 10:38 AM
Minor Periods
8:42 PM - 10:12 PM4:48 AM - 6:18 AM
Action Rating: 4 out of 5
Tuesday, May 13, 2025
Weather Forecast
Conditions: Patchy rain nearby
Average Temperature: 49.4°F
Average Humidity: 84%
Average Temperature: 49.4°F
Average Humidity: 84%
Chance of Rain: 76%
Wind: 3.8 mph
UV Index: 0
Wind: 3.8 mph
UV Index: 0
Air Quality
AQI:
1 - Good
PM2.5:
8.65 μg/m3
PM10:
10.96 μg/m3
Carbon Monoxide: 357.05 μg/m3
Nitrogen Dioxide: 21.55 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 49.62 μg/m3
Nitrogen Dioxide: 21.55 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 49.62 μg/m3
Astronomical
Sunrise: 5:42 AM
Sun Transit: 1:07 PM
Sunset: 8:33 PM
Daylight: 14 hrs 51 mins
Sun Transit: 1:07 PM
Sunset: 8:33 PM
Daylight: 14 hrs 51 mins
Moonrise: 10:18 PM
Moon Transit: 1:32 AM
Moonset: 5:46 AM
Moon Phase: Full
Moon Illumination: 97.2%
Moon Transit: 1:32 AM
Moonset: 5:46 AM
Moon Phase: Full
Moon Illumination: 97.2%
Best Times for Fishing or Hunting
Major Periods
1:02 AM - 3:32 AM8:56 AM - 11:26 AM
Minor Periods
9:48 PM - 11:18 PM5:16 AM - 6:46 AM
Action Rating: 4 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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