Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

48.2°F

Measurement Time: Tuesday, March 3, 2026, 4:00 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

57°F
Partly cloudy
Partly cloudy
56.3°F
51.4°F
64%
SSW 5.4 mph
7 mph
50°F
49.4°F
0 in
75%
9 mi
1020 mbar
2.2

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 56°F
L: 44°F
Moderate rain
Wed
H: 53°F
L: 44°F
Moderate rain
Thu
H: 44°F
L: 41°F
Patchy rain nearby
Fri
H: 50°F
L: 42°F
Patchy rain nearby
Sat
H: 49°F
L: 45°F

Air Quality

AQI: 1 - Good
PM2.5: 5.65 μg/m3
PM10: 6.45 μg/m3
Carbon Monoxide: 223.85 μg/m3
Nitrogen Dioxide: 15.45 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 36 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:22 AM
Sunset: 6:01 PM
Daylight: 11 hrs 16 mins
Moonrise: 6:40 PM
Moon Transit: 12:15 AM
Moonset: 6:50 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:38 AM - 10:08 AM

Minor Periods

6:10 PM - 7:40 PM
6:20 AM - 7:50 AM

Action Rating: 5 out of 5

Winter Weather Advisory issued March 2 at 12:28PM PST until March 4 at 10:00PM PST by NWS Portland OR

Effective: Mon March 2, 2026, 12:28 PM
Expires: Tue March 3, 2026, 10:00 AM

* WHAT...Snow expected above 4500 ft. Total snow accumulations of 4 to 8 inches. * WHERE...Cascades of Lane County and Cascades of Marion and Linn Counties. * WHEN...From 4 AM to 10 PM PST Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Periods of moderate to heavy snowfall may combine with low visibilities to create difficult driving conditions.

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. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com.


Winter Weather Advisory issued March 3 at 9:07AM PST until March 4 at 10:00PM PST by NWS Portland OR

Effective: Tue March 3, 2026, 9:07 AM
Expires: Wed March 4, 2026, 1:00 AM

* WHAT...Snow expected above 4500 ft. Total snow accumulations of 8 to 11 inches. * WHERE...Cascades of Lane County and Cascades of Marion and Linn Counties. * WHEN...From 4 AM to 10 PM PST Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Periods of moderate to heavy snowfall may combine with low visibilities to create difficult driving conditions.

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. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com.
Tuesday, March 3, 2026

Weather Forecast

Patchy rain nearby
55.9°F
43.5°F
49.4°F
87%
0.03 in
86%
0%
6.9 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 9.91 μg/m3
PM10: 10.25 μg/m3
Carbon Monoxide: 281.97 μg/m3
Nitrogen Dioxide: 20.13 μg/m3
Sulphur Dioxide: 2.03 μg/m3
Ozone: 27.52 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:22 AM
Sunset: 6:01 PM
Daylight: 11 hrs 16 mins
Moonrise: 6:40 PM
Moon Transit: 12:15 AM
Moonset: 6:50 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:38 AM - 10:08 AM

Minor Periods

6:10 PM - 7:40 PM
6:20 AM - 7:50 AM

Action Rating: 5 out of 5

Wednesday, March 4, 2026

Weather Forecast

Moderate rain
52.7°F
44.1°F
49.3°F
87%
0.39 in
85%
0%
12.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.28 μg/m3
PM10: 3.73 μg/m3
Carbon Monoxide: 169.85 μg/m3
Nitrogen Dioxide: 7.49 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 51.48 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:22 AM
Sunset: 6:02 PM
Daylight: 11 hrs 19 mins
Moonrise: 7:50 PM
Moon Transit: 1:00 AM
Moonset: 7:07 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
8:22 AM - 10:52 AM

Minor Periods

7:20 PM - 8:50 PM
6:37 AM - 8:07 AM

Action Rating: 4 out of 5

Thursday, March 5, 2026

Weather Forecast

Moderate rain
44.2°F
40.8°F
43°F
92%
0.78 in
88%
0%
8.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.82 μg/m3
PM10: 6.25 μg/m3
Carbon Monoxide: 190.41 μg/m3
Nitrogen Dioxide: 7.12 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 60.76 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:22 AM
Sunset: 6:04 PM
Daylight: 11 hrs 22 mins
Moonrise: 8:59 PM
Moon Transit: 1:43 AM
Moonset: 7:24 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:13 AM - 3:43 AM
9:05 AM - 11:35 AM

Minor Periods

8:29 PM - 9:59 PM
6:54 AM - 8:24 AM

Action Rating: 4 out of 5

Friday, March 6, 2026

Weather Forecast

Patchy rain nearby
50.4°F
42.4°F
45.3°F
93%
0.1 in
86%
0%
5.1 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 9.21 μg/m3
PM10: 12.19 μg/m3
Carbon Monoxide: 261.42 μg/m3
Nitrogen Dioxide: 10.61 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 53.12 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:21 AM
Sunset: 6:05 PM
Daylight: 11 hrs 25 mins
Moonrise: 10:08 PM
Moon Transit: 2:25 AM
Moonset: 7:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

1:55 AM - 4:25 AM
9:48 AM - 12:18 AM

Minor Periods

9:38 PM - 11:08 PM
7:12 AM - 8:42 AM

Action Rating: 2 out of 5

Saturday, March 7, 2026

Weather Forecast

Patchy rain nearby
48.5°F
45°F
46.6°F
92%
0.01 in
89%
0%
2.9 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 12.83 μg/m3
PM10: 14.36 μg/m3
Carbon Monoxide: 359.08 μg/m3
Nitrogen Dioxide: 36.55 μg/m3
Sulphur Dioxide: 3.46 μg/m3
Ozone: 22.62 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:21 AM
Sunset: 6:06 PM
Daylight: 11 hrs 28 mins
Moonrise: 11:16 PM
Moon Transit: 3:09 AM
Moonset: 8:02 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:39 AM - 5:09 AM
10:32 AM - 1:02 PM

Minor Periods

12:00 AM - 12:00 AM
7:32 AM - 9:02 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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