Water Temperature of the Tualatin River in West Linn, OR

Current Water Temperature

32.0°F

Measurement Time: Thursday, June 25, 2026, 12:08 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

57°F
Partly cloudy
Partly cloudy
58.2°F
61.8°F
81%
N 2.2 mph
6.7 mph
62°F
54.3°F
0 in
75%
9 mi
1014 mbar
0.3

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 78°F
L: 56°F
Moderate rain
Fri
H: 60°F
L: 49°F
Patchy rain nearby
Sat
H: 61°F
L: 48°F
Patchy rain nearby
Sun
H: 63°F
L: 48°F
Patchy rain nearby
Mon
H: 69°F
L: 53°F

Air Quality

PM2.5: 9.9 μg/m3
PM10: 12.8 μg/m3
Carbon Monoxide: 108 μg/m3
Nitrogen Dioxide: 13.3 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 22 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 1:13 PM
Sunset: 9:03 PM
Daylight: 15 hrs 39 mins
Moonrise: 5:45 PM
Moon Transit: 10:11 PM
Moonset: 2:04 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

4:48 AM - 7:18 AM
12:00 AM - 12:00 AM

Minor Periods

5:15 PM - 6:45 PM
1:34 AM - 3:04 AM

Action Rating: 2 out of 5

Red Flag Warning issued June 24 at 10:58PM PDT until June 25 at 8:00PM PDT by NWS Pendleton OR

Effective: Wed June 24, 2026, 10:58 PM
Expires: Thu June 25, 2026, 7:00 AM

...Breezy winds and low relative humidity expected Thursday... .The combination of breezy winds and low relative humidity is expected to generate weather conditions conducive to rapid fire spread for new and existing fires in the lower Columbia Basin, Yakima and Kittitas valleys, and the Warm Springs Reservation. * AFFECTED AREA...Fire Weather Zone 703 Warm Springs Reservation. * TIMING...From noon to 8 PM PDT Thursday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Thursday, June 25, 2026

Weather Forecast

Patchy rain nearby
77.5°F
55.8°F
66.4°F
57%
0.02 in
36%
0%
8.1 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 8.51 μg/m3
PM10: 11.53 μg/m3
Carbon Monoxide: 115.54 μg/m3
Nitrogen Dioxide: 7.29 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 49.96 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 1:13 PM
Sunset: 9:03 PM
Daylight: 15 hrs 39 mins
Moonrise: 5:45 PM
Moon Transit: 10:11 PM
Moonset: 2:04 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

4:48 AM - 7:18 AM
12:00 AM - 12:00 AM

Minor Periods

5:15 PM - 6:45 PM
1:34 AM - 3:04 AM

Action Rating: 2 out of 5

Friday, June 26, 2026

Weather Forecast

Moderate rain
60.2°F
49.1°F
55.9°F
89%
0.2 in
87%
0%
10.1 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 3.74 μg/m3
PM10: 5.33 μg/m3
Carbon Monoxide: 99.79 μg/m3
Nitrogen Dioxide: 3.1 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 47.79 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 1:13 PM
Sunset: 9:03 PM
Daylight: 15 hrs 39 mins
Moonrise: 6:50 PM
Moon Transit: 11:00 PM
Moonset: 2:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

5:35 AM - 8:05 AM
12:00 AM - 12:00 AM

Minor Periods

6:20 PM - 7:50 PM
2:02 AM - 3:32 AM

Action Rating: 3 out of 5

Saturday, June 27, 2026

Weather Forecast

Patchy rain nearby
61.3°F
48.3°F
54.3°F
84%
0.19 in
82%
0%
6.9 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 3.76 μg/m3
PM10: 5.6 μg/m3
Carbon Monoxide: 102.71 μg/m3
Nitrogen Dioxide: 1.98 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 52.33 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 1:13 PM
Sunset: 9:03 PM
Daylight: 15 hrs 39 mins
Moonrise: 7:51 PM
Moon Transit: 11:50 PM
Moonset: 3:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

6:24 AM - 8:54 AM
12:00 AM - 12:00 AM

Minor Periods

7:21 PM - 8:51 PM
2:36 AM - 4:06 AM

Action Rating: 3 out of 5

Sunday, June 28, 2026

Weather Forecast

Patchy rain nearby
62.6°F
47.9°F
54.6°F
86%
0.08 in
77%
0%
5.8 mph
5.5


Air Quality

AQI: 1 - Good
PM2.5: 5.52 μg/m3
PM10: 8.26 μg/m3
Carbon Monoxide: 108.17 μg/m3
Nitrogen Dioxide: 2.61 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 48.17 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 1:14 PM
Sunset: 9:03 PM
Daylight: 15 hrs 38 mins
Moonrise: 8:45 PM
Moon Transit: 12:00 AM
Moonset: 3:48 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:15 AM - 9:45 AM

Minor Periods

8:15 PM - 9:45 PM
3:18 AM - 4:48 AM

Action Rating: 2 out of 5

Monday, June 29, 2026

Weather Forecast

Patchy rain nearby
68.6°F
52.9°F
58.2°F
77%
0.01 in
40%
0%
6.3 mph
0


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: 5:25 AM
Sun Transit: 1:14 PM
Sunset: 9:03 PM
Daylight: 15 hrs 38 mins
Moonrise: 9:29 PM
Moon Transit: 12:42 AM
Moonset: 4:40 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:12 AM - 2:42 AM
8:06 AM - 10:36 AM

Minor Periods

8:59 PM - 10:29 PM
4:10 AM - 5:40 AM

Action Rating: 5 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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