Water Temperature of the Willamette River in Portland, OR
Current Water Temperature
Measurement Time: Tuesday, March 31, 2026, 1:30 AM PDT
Temperature Locations
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Local Points of Interest
Tom McCall Waterfront ParkStation Name: WILLAMETTE RIVER AT PORTLAND, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 13 feet
Nearest Address:
SE Morrison Brg
Portland, OR 97204
Multnomah County
GPS Coordinates: 45.5175, -122.6691667
Nearby Water Temperatures
Crystal Springs Creek, Portland, OR (3.3 mi)Johnson Creek, Milwaukie, OR (4.6 mi)
Fanno Creek, Beaverton, OR (7.6 mi)
Johnson Creek, Portland, OR (8.3 mi)
Kelley Creek, Portland, OR (8.7 mi)
Fanno Creek, Tigard, OR (8.9 mi)
Beaverton Creek, Beaverton, OR (8.9 mi)
Clackamas River, Oregon City, OR (10.5 mi)
Tualatin River , West Linn, OR (11.1 mi)
Johnson Creek, Gresham, OR (12.2 mi)
Rock Creek, Hillsboro, OR (12.8 mi)
Chicken Creek, Sherwood, OR (13.4 mi)
Tualatin River, Beaverton, OR (13.6 mi)
Tualatin River, Hillsboro, OR (15.6 mi)
Clackamas River, Estacada, OR (21.4 mi)
Weather for Portland, Oregon
Current Weather

Five Day Weather Forecast

Tue
H: 57°F
L: 39°F

Wed
H: 51°F
L: 41°F

Thu
H: 51°F
L: 41°F

Fri
H: 58°F
L: 42°F

Sat
H: 66°F
L: 40°F
Air Quality
Nitrogen Dioxide: 10.95 μg/m3
Sulphur Dioxide: 3.25 μg/m3
Ozone: 69 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 7:38 PM
Daylight: 12 hrs 45 mins
Moon Transit: 12:00 AM
Moonset: 6:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:17 AM - 9:47 AM
Minor Periods
6:04 PM - 7:34 PM5:43 AM - 7:13 AM
Action Rating: 5 out of 5
Winter Storm Watch issued March 30 at 9:21AM PDT until April 2 at 5:00PM PDT by NWS Portland OR
Effective: Mon March 30, 2026, 9:21 AM
Expires: Tue March 31, 2026, 2:15 AM
* WHAT...Heavy snow possible. Total snow accumulations between 10 to 18 inches possible. Winds could gust as high as 35 mph. * WHERE...Northern and Central Oregon Cascades. * WHEN...From late Tuesday night through Thursday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Latest guidance suggests the heaviest snow accumulations are forecast over the Cascades from Marion to Lane Counties.
Winterize your vehicle and have a winter emergency driving kit readily available. Make sure your emergency kit has the following items: flashlights, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Now is a good time to put snow tires on your vehicle. Check on friends and family to see if they need help preparing. Monitor the latest forecasts and warnings for updates on this situation.
Winter Storm Watch issued March 30 at 10:38PM PDT until April 2 at 5:00PM PDT by NWS Portland OR
Effective: Mon March 30, 2026, 10:38 PM
Expires: Tue March 31, 2026, 11:00 AM
* WHAT...Heavy snow possible. Total snow accumulations between 10 to 18 inches possible. Winds could gust as high as 35 mph. * WHERE...Northern and Central Oregon Cascades. * WHEN...From late Tuesday night through Thursday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Latest guidance suggests the heaviest snow accumulations are forecast over the Cascades from Marion to Lane Counties. There is a 50-75% chance snowfall rates will occasionally exceed 1 inch/hour along the Cascade passes between 4 PM Wednesday and 8 AM Thursday, resulting in hazardous travel conditions due to a combination of low visibilities and accumulating snow.
Winterize your vehicle and have a winter emergency driving kit readily available. Make sure your emergency kit has the following items: flashlights, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Now is a good time to put snow tires on your vehicle. Check on friends and family to see if they need help preparing. Monitor the latest forecasts and warnings for updates on this situation.
Weather Forecast
Air Quality
Nitrogen Dioxide: 15.73 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 58.92 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 7:38 PM
Daylight: 12 hrs 45 mins
Moon Transit: 12:00 AM
Moonset: 6:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:17 AM - 9:47 AM
Minor Periods
6:04 PM - 7:34 PM5:43 AM - 7:13 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 11.38 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 66.32 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 7:39 PM
Daylight: 12 hrs 48 mins
Moon Transit: 12:37 AM
Moonset: 6:29 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:07 AM - 2:37 AM8:00 AM - 10:30 AM
Minor Periods
7:13 PM - 8:43 PM5:59 AM - 7:29 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.16 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 72.6 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 7:40 PM
Daylight: 12 hrs 51 mins
Moon Transit: 1:20 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 99.5%
Best Times for Fishing or Hunting
Major Periods
12:50 AM - 3:20 AM8:42 AM - 11:12 AM
Minor Periods
8:22 PM - 9:52 PM6:17 AM - 7:47 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 20.43 μg/m3
Sulphur Dioxide: 2.77 μg/m3
Ozone: 49.04 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:42 PM
Daylight: 12 hrs 55 mins
Moon Transit: 2:03 AM
Moonset: 7:05 AM
Moon Phase: Full
Moon Illumination: 96.6%
Best Times for Fishing or Hunting
Major Periods
1:33 AM - 4:03 AM9:26 AM - 11:56 AM
Minor Periods
9:30 PM - 11:00 PM6:35 AM - 8:05 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 20.96 μg/m3
Sulphur Dioxide: 2.32 μg/m3
Ozone: 48.46 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 7:43 PM
Daylight: 12 hrs 58 mins
Moon Transit: 2:48 AM
Moonset: 7:27 AM
Moon Phase: Full
Moon Illumination: 91.3%
Best Times for Fishing or Hunting
Major Periods
2:18 AM - 4:48 AM10:11 AM - 12:41 AM
Minor Periods
12:00 AM - 12:00 AM6:57 AM - 8:27 AM
Action Rating: 4 out of 5
