Water Temperature of the Willamette River in West Linn, OR

Current Water Temperature

51.4°F

Measurement Time: Thursday, April 2, 2026, 11:15 AM PDT

Temperature Locations

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Willamette River

Station Name: WILLAMETTE RIVER AT NEWBERG, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 76 feet

Nearest Address:
965 SW Borland Rd
West Linn, OR 97132
Yamhill County

GPS Coordinates: 45.2845625, -122.9614893

Nearby Water Temperatures

Chicken Creek, Sherwood, OR (8 mi)
Tualatin River, Beaverton, OR (8.7 mi)
Fanno Creek, Tigard, OR (13 mi)
Wapato Creek, Gaston, OR (13.4 mi)
Fanno Creek, Beaverton, OR (14.1 mi)
Tualatin River , West Linn, OR (14.3 mi)
Tualatin River, Hillsboro, OR (15 mi)
Scoggins Creek, Gaston, OR (15.3 mi)
Tualatin River, Dilley, OR (15.3 mi)
Rock Creek, Hillsboro, OR (15.5 mi)
Beaverton Creek, Beaverton, OR (15.9 mi)
Scoggins Creek, Gaston, OR (17.2 mi)
Gales Creek, Forest Grove, OR (17.3 mi)
Johnson Creek, Milwaukie, OR (19.3 mi)
Clackamas River, Oregon City, OR (19.8 mi)

Weather for West Linn, Oregon

Current Weather

51.1°F
Sunny
Sunny
48.4°F
49.5°F
58%
W 7.2 mph
12.6 mph
46.9°F
41.5°F
0 in
0%
9 mi
1025 mbar
0.1

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 54°F
L: 41°F
Sunny
Fri
H: 60°F
L: 39°F
Sunny
Sat
H: 68°F
L: 41°F
Partly Cloudy
Sun
H: 75°F
L: 49°F
Sunny
Mon
H: 72°F
L: 48°F

Air Quality

AQI: 1 - Good
PM2.5: 10.05 μg/m3
PM10: 11.65 μg/m3
Carbon Monoxide: 286.85 μg/m3
Nitrogen Dioxide: 28.65 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 16 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:15 PM
Sunset: 7:41 PM
Daylight: 12 hrs 51 mins
Moonrise: 8:52 PM
Moon Transit: 1:21 AM
Moonset: 6:48 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
8:41 AM - 11:11 AM

Minor Periods

8:22 PM - 9:52 PM
6:18 AM - 7:48 AM

Action Rating: 3 out of 5

Frost Advisory issued April 2 at 5:31AM PDT until April 3 at 10:00AM PDT by NWS Portland OR

Effective: Thu April 2, 2026, 5:31 AM
Expires: Thu April 2, 2026, 1:15 PM

* WHAT...Temperatures as low as 33 to 36 will result in frost formation. * WHERE...Northern and Central Coast Range Valleys and Mountains of Oregon, Lower Columbia River and Cowlitz River Valleys, Portland Metro Hills, Central Willamette Valley, Tualatin Valley, West Columbia River Gorge of Oregon above 500 ft, Clackamas County Cascade Foothills, Willapa Hills, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 9 PM this evening to 10 AM PDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures. Consider temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.


Frost Advisory issued April 2 at 12:46PM PDT until April 3 at 10:00AM PDT by NWS Portland OR

Effective: Thu April 2, 2026, 12:46 PM
Expires: Fri April 3, 2026, 1:00 AM

* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Northern and Central Coast Range Valleys and Mountains of Oregon, Lower Columbia River and Cowlitz River Valleys, Portland Metro Hills, Central Willamette Valley, Tualatin Valley, West Columbia River Gorge of Oregon above 500 ft, Clackamas County Cascade Foothills, Willapa Hills, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 9 PM this evening to 10 AM PDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Areas that remain shaded through the morning will see frost linger the longest.

Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures. Consider temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.


Winter Weather Advisory issued April 1 at 9:50PM PDT until April 2 at 5:00PM PDT by NWS Portland OR

Effective: Wed April 1, 2026, 9:50 PM
Expires: Thu April 2, 2026, 1:00 PM

* WHAT...Snow above 3000 feet. Additional snow accumulations up to 4 to 6 inches. Winds gusting as high as 45 mph. * WHERE...In Oregon, North Oregon Cascades. In Washington, South Washington Cascades. * WHEN...Until 5 PM PDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...There is a 40-60% chance for snowfall rates exceeding 1 inch per hour along highway 26 near Government Camp, with the highest chances occurring between 3-6 AM Thursday.

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 Storm Warning issued April 1 at 9:50PM PDT until April 2 at 5:00PM PDT by NWS Portland OR

Effective: Wed April 1, 2026, 9:50 PM
Expires: Thu April 2, 2026, 1:00 PM

* WHAT...Heavy snow. Additional snow accumulations between 6 and 12 inches. Winds gusting as high as 35 mph. * WHERE...Cascades of Lane County and Cascades of Marion and Linn Counties. * WHEN...Until 5 PM PDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...There is a 60-80% chance for snowfall rates exceeding 1 inch per hour along Santiam and Willamette Passes, with the highest chances occurring between between 2-8 AM Thursday.

Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If your car becomes trapped in deep snow, be sure to keep your car off to stay safe from potential carbon monoxide poisoning. If you are using a generator, be sure to keep it outdoors and away from windows and vents. Be aware that walking surfaces may be slick. Walk with extra care. Backcountry recreation is not advised.


Freeze Watch issued April 2 at 5:31AM PDT until April 3 at 10:00AM PDT by NWS Portland OR

Effective: Thu April 2, 2026, 5:31 AM
Expires: Thu April 2, 2026, 1:15 PM

* WHAT...Sub-freezing temperatures as low as 29 to 32 possible. * WHERE...South Willamette Valley, Upper Hood River Valley, Cascade Foothills of Marion and Linn Counties, and Lane County Cascade Foothills. * WHEN...From this evening through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures. Consider temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.


Thursday, April 2, 2026

Weather Forecast

Patchy rain nearby
54.3°F
40.5°F
46.2°F
76%
0.1 in
86%
0%
11.4 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.95 μg/m3
PM10: 3.76 μg/m3
Carbon Monoxide: 167.89 μg/m3
Nitrogen Dioxide: 3.36 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 72.32 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 1:15 PM
Sunset: 7:41 PM
Daylight: 12 hrs 51 mins
Moonrise: 8:52 PM
Moon Transit: 1:21 AM
Moonset: 6:48 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
8:41 AM - 11:11 AM

Minor Periods

8:22 PM - 9:52 PM
6:18 AM - 7:48 AM

Action Rating: 3 out of 5

Friday, April 3, 2026

Weather Forecast

Sunny
59.9°F
39.2°F
47.7°F
70%
0 in
0%
0%
4.7 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 8.1 μg/m3
PM10: 9.69 μg/m3
Carbon Monoxide: 226.17 μg/m3
Nitrogen Dioxide: 14.93 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 45.24 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 1:15 PM
Sunset: 7:43 PM
Daylight: 12 hrs 54 mins
Moonrise: 10:01 PM
Moon Transit: 2:04 AM
Moonset: 7:07 AM
Moon Phase: Full
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

1:34 AM - 4:04 AM
9:24 AM - 11:54 AM

Minor Periods

9:31 PM - 11:01 PM
6:37 AM - 8:07 AM

Action Rating: 4 out of 5

Saturday, April 4, 2026

Weather Forecast

Sunny
67.5°F
41°F
53.2°F
65%
0 in
0%
0%
7.4 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 8.6 μg/m3
PM10: 10.03 μg/m3
Carbon Monoxide: 191.81 μg/m3
Nitrogen Dioxide: 16.36 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 49.96 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 1:14 PM
Sunset: 7:44 PM
Daylight: 12 hrs 57 mins
Moonrise: 11:09 PM
Moon Transit: 2:49 AM
Moonset: 7:29 AM
Moon Phase: Full
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

2:19 AM - 4:49 AM
10:10 AM - 12:40 AM

Minor Periods

12:00 AM - 12:00 AM
6:59 AM - 8:29 AM

Action Rating: 4 out of 5

Sunday, April 5, 2026

Weather Forecast

Partly Cloudy
75.2°F
48.9°F
59°F
64%
0 in
0%
0%
6.5 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 8.05 μg/m3
PM10: 8.37 μg/m3
Carbon Monoxide: 211.03 μg/m3
Nitrogen Dioxide: 16.8 μg/m3
Sulphur Dioxide: 3.01 μg/m3
Ozone: 45.84 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:14 PM
Sunset: 7:45 PM
Daylight: 13 hrs mins
Moonrise: 12:09 AM
Moon Transit: 3:35 AM
Moonset: 7:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.9%

Best Times for Fishing or Hunting

Major Periods

3:05 AM - 5:35 AM
10:57 AM - 1:27 PM

Minor Periods

7:26 AM - 8:56 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, April 6, 2026

Weather Forecast

Sunny
71.6°F
48.3°F
58.3°F
71%
0 in
0%
0%
4 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 14.3 μg/m3
PM10: 14.6 μg/m3
Carbon Monoxide: 363.66 μg/m3
Nitrogen Dioxide: 40.04 μg/m3
Sulphur Dioxide: 3.85 μg/m3
Ozone: 21.46 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:14 PM
Sunset: 7:46 PM
Daylight: 13 hrs 4 mins
Moonrise: 12:16 AM
Moon Transit: 4:24 AM
Moonset: 8:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.7%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
11:47 AM - 2:17 PM

Minor Periods

8:00 AM - 9:30 AM
12:00 AM - 12:00 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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