Water Temperature of the Willamette River in West Linn, OR

Current Water Temperature

47.7°F

Measurement Time: Thursday, March 12, 2026, 2:15 PM 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

46.9°F
Light rain
Light rain
41.5°F
51.2°F
93%
SSW 12.1 mph
19.5 mph
46.9°F
49.7°F
0.01 in
100%
8 mi
1022 mbar
0

Five Day Weather Forecast

Heavy rain
Thu
H: 51°F
L: 46°F
Moderate rain
Fri
H: 54°F
L: 44°F
Heavy rain
Sat
H: 48°F
L: 39°F
Patchy rain nearby
Sun
H: 48°F
L: 35°F
Patchy rain nearby
Mon
H: 61°F
L: 41°F

Air Quality

AQI: 2 - Moderate
PM2.5: 4.25 μg/m3
PM10: 4.85 μg/m3
Carbon Monoxide: 117.85 μg/m3
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:00 AM
Sunset: 7:14 PM
Daylight: 11 hrs 45 mins
Moonrise: 4:20 AM
Moon Transit: 8:16 AM
Moonset: 12:14 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%

Best Times for Fishing or Hunting

Major Periods

7:46 AM - 10:16 AM
3:38 PM - 6:08 PM

Minor Periods

11:44 AM - 1:14 PM
3:50 AM - 5:20 AM

Action Rating: 3 out of 5

Flood Watch issued March 12 at 9:21AM PDT until March 14 at 5:00AM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 9:21 AM
Expires: Thu March 12, 2026, 5:00 PM

...The Flood Watch continues for the following rivers in Oregon... Trask River near Tillamook affecting North Oregon Coast Range Lowlands and Tillamook County Coast zones. * WHAT...Flooding is possible. * WHERE...Trask River near Tillamook. * WHEN...Until early Saturday morning. * IMPACTS...Above 16.5 feet, expect minor flooding along the lower Trask River. Dairy farms, buildings, and a few residences adjacent to the Trask in the vicinity of Hwy 101 may be threatened. * ADDITIONAL DETAILS... - At 9:00 AM PDT Thursday the stage was 15.0 feet. - Forecast...Flood stage may be reached based on the latest forecast information. - Flood stage is 16.5 feet. - http://www.weather.gov/safety/flood

If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. Additional information is available at www.weather.gov. The next statement will be issued by this afternoon at 500 PM PDT.


Flood Watch issued March 12 at 8:28AM PDT until March 13 at 11:00PM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 8:28 AM
Expires: Thu March 12, 2026, 4:30 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest Oregon, including the following areas, Clackamas County Cascade Foothills, Clatsop County Coast, East Central Willamette Valley, East Portland Metro, Inner Portland Metro, Lower Columbia River, North Oregon Coast Range, North Oregon Coast Range Lowlands, Outer Southeast Portland Metro, Portland West Hills and Chehalem Mountain, Tillamook County Coast, Tualatin Valley, West Central Willamette Valley, West Columbia River Gorge I-84 Corridor and West Columbia River Gorge of Oregon above 500 ft and southwest Washington, including the following areas, Cowlitz County Lowlands, East Clark County Lowlands, Inner Vancouver Metro, North Clark County Lowlands, South Washington Cascade Foothills, West Columbia River Gorge SR 14 Corridor, Willapa Hills and Willapa and Wahkiakum Lowlands. * WHEN...Through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Area creeks and streams are running high and could flood with more heavy rain. Landslides and debris flows are possible during this flood event. People, structures, and roads located below steep slopes, in canyons, and near the mouths of canyons may be at serious risk from rapidly moving landslides. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Flood Watch issued March 12 at 3:56PM PDT until March 14 at 5:00PM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 3:56 PM
Expires: Fri March 13, 2026, 5:30 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest Oregon, including the following areas, Clackamas County Cascade Foothills, Clatsop County Coast, East Central Willamette Valley, East Portland Metro, Inner Portland Metro, Lower Columbia River, North Oregon Coast Range, North Oregon Coast Range Lowlands, Outer Southeast Portland Metro, Portland West Hills and Chehalem Mountain, Tillamook County Coast, Tualatin Valley, West Central Willamette Valley, West Columbia River Gorge I-84 Corridor and West Columbia River Gorge of Oregon above 500 ft and southwest Washington, including the following areas, Cowlitz County Lowlands, East Clark County Lowlands, Inner Vancouver Metro, North Clark County Lowlands, South Washington Cascade Foothills, West Columbia River Gorge SR 14 Corridor, Willapa Hills and Willapa and Wahkiakum Lowlands. * WHEN...Through Saturday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Area creeks and streams are running high and could flood with more heavy rain. Landslides and debris flows are possible during this flood event. People, structures, and roads located below steep slopes, in canyons, and near the mouths of canyons may be at serious risk from rapidly moving landslides. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Flood Warning issued March 12 at 9:01AM PDT until March 14 at 5:00AM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 9:01 AM
Expires: Thu March 12, 2026, 5:15 PM

...The National Weather Service in Portland OR has issued a Flood Warning for the following rivers in Oregon... Johnson Creek at Sycamore affecting Clackamas and Multnomah Counties. * WHAT...Minor flooding is forecast. * WHERE...Johnson Creek at Sycamore. * WHEN...Until early Saturday morning. * IMPACTS...Above 11.0 feet, minor flooding begins along Johnson Creek between SE 92nd Street to SE 122nd Street and between Johnson Creek and SE Harold Street. * ADDITIONAL DETAILS... - At 8:30 AM PDT Thursday the stage was 9.4 feet. - Bankfull stage is 10.0 feet. - Forecast...The river will rise to a maximum value of 11.3 feet late this afternoon. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued by this afternoon at 515 PM PDT.


Flood Warning issued March 12 at 4:44PM PDT until March 14 at 1:12PM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 4:44 PM
Expires: Fri March 13, 2026, 11:00 AM

...The Flood Warning is extended for the following rivers in Oregon... Johnson Creek at Sycamore affecting Clackamas and Multnomah Counties. * WHAT...Minor flooding is forecast. * WHERE...Johnson Creek at Sycamore. * WHEN...Until early Saturday afternoon. * IMPACTS...Above 13.0 feet, expect flooding to begin at numerous locations along Johnson Creek. Evacuations of several homes have historically taken place at this and higher stages. * ADDITIONAL DETAILS... - At 4:30 PM PDT Thursday the stage was 10.8 feet. - Bankfull stage is 10.0 feet. - Forecast...The river will briefly rise above flood stage to 11.2 feet late this afternoon. It will then fall below flood stage this evening to 8.9 feet late tonight. Additional rainfall on Friday will cause it to again rise above flood stage again tomorrow afternoon to 13.0 feet by late tomorrow evening. It will then fall below flood stage again Saturday morning as rainfall ends. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued by Friday morning at 1100 AM PDT.


Thursday, March 12, 2026

Weather Forecast

Heavy rain
51.4°F
45.9°F
49.3°F
94%
0.93 in
89%
0%
15.2 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 5.16 μg/m3
PM10: 6.76 μg/m3
Carbon Monoxide: 158.57 μg/m3
Nitrogen Dioxide: 5.96 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 65.36 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:00 AM
Sunset: 7:14 PM
Daylight: 11 hrs 45 mins
Moonrise: 4:20 AM
Moon Transit: 8:16 AM
Moonset: 12:14 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%

Best Times for Fishing or Hunting

Major Periods

7:46 AM - 10:16 AM
3:38 PM - 6:08 PM

Minor Periods

11:44 AM - 1:14 PM
3:50 AM - 5:20 AM

Action Rating: 3 out of 5

Friday, March 13, 2026

Weather Forecast

Moderate rain
53.8°F
43.7°F
51.3°F
92%
0.22 in
86%
0%
16.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 5.34 μg/m3
PM10: 6.09 μg/m3
Carbon Monoxide: 179.69 μg/m3
Nitrogen Dioxide: 13.63 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 42.6 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:00 AM
Sunset: 7:15 PM
Daylight: 11 hrs 48 mins
Moonrise: 5:02 AM
Moon Transit: 9:07 AM
Moonset: 1:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:37 AM - 11:07 AM
4:30 PM - 7:00 PM

Minor Periods

12:48 AM - 2:18 PM
4:32 AM - 6:02 AM

Action Rating: 3 out of 5

Saturday, March 14, 2026

Weather Forecast

Heavy rain
47.7°F
38.8°F
43.9°F
76%
1.51 in
86%
0%
6.9 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 3.56 μg/m3
PM10: 4.11 μg/m3
Carbon Monoxide: 143.05 μg/m3
Nitrogen Dioxide: 7.07 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 62.72 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:00 AM
Sunset: 7:17 PM
Daylight: 11 hrs 51 mins
Moonrise: 5:36 AM
Moon Transit: 9:58 AM
Moonset: 2:28 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

5:20 PM - 7:50 PM
9:28 AM - 11:58 AM

Minor Periods

1:58 PM - 3:28 PM
5:06 AM - 6:36 AM

Action Rating: 2 out of 5

Sunday, March 15, 2026

Weather Forecast

Patchy rain nearby
48°F
35.1°F
39.7°F
78%
0.13 in
86%
0%
4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 12.4 μg/m3
PM10: 13.74 μg/m3
Carbon Monoxide: 200.1 μg/m3
Nitrogen Dioxide: 36.77 μg/m3
Sulphur Dioxide: 3.65 μg/m3
Ozone: 26.12 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:00 AM
Sunset: 7:18 PM
Daylight: 11 hrs 54 mins
Moonrise: 6:03 AM
Moon Transit: 10:46 AM
Moonset: 3:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

6:08 PM - 8:38 PM
10:16 AM - 12:46 AM

Minor Periods

3:10 PM - 4:40 PM
5:33 AM - 7:03 AM

Action Rating: 3 out of 5

Monday, March 16, 2026

Weather Forecast

Patchy rain nearby
61°F
41°F
48.8°F
77%
0.01 in
88%
0%
7.2 mph
0.7


Air Quality

AQI: 2 - Moderate
PM2.5: 19.96 μg/m3
PM10: 21.31 μg/m3
Carbon Monoxide: 514.43 μg/m3
Nitrogen Dioxide: 37.28 μg/m3
Sulphur Dioxide: 4.77 μg/m3
Ozone: 4.08 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:00 AM
Sunset: 7:19 PM
Daylight: 11 hrs 57 mins
Moonrise: 6:26 AM
Moon Transit: 11:34 AM
Moonset: 4:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

6:55 PM - 9:25 PM
11:04 AM - 1:34 PM

Minor Periods

4:24 PM - 5:54 PM
5:56 AM - 7:26 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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