Water Temperature of the Willamette River in Portland, OR
Current Water Temperature
Measurement Time: Wednesday, July 16, 2025, 8:30 AM PDT
Temperature Locations
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Local Points of Interest
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Station Name: WILLAMETTE RIVER AT PORTLAND, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 13 feet / 4 meters
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

Humidity: 23%
Feels Like: 91°F
Wind: NW 5.4 mph
Wind Gusts: 6.2 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 7.1
Five Day Weather Forecast

Wed
H: 99°F
L: 70°F

Thu
H: 91°F
L: 59°F

Fri
H: 89°F
L: 63°F

Sat
H: 79°F
L: 57°F

Sun
H: 72°F
L: 63°F
Air Quality
Nitrogen Dioxide: 14.25 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 81 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:55 PM
Daylight: 15 hrs 18 mins
Moon Transit: 12:00 AM
Moonset: 12:19 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 12:00 AM
Minor Periods
11:49 AM - 1:19 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Heat Advisory issued July 16 at 6:47AM PDT until July 16 at 10:00PM PDT by NWS Portland OR
Effective: Wed July 16, 2025, 6:47 AM
Expires: Wed July 16, 2025, 10:00 PM
* WHAT...Temperatures of 95 to 102 degrees expected. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued July 16 at 6:47AM PDT until July 16 at 10:00PM PDT by NWS Portland OR
Effective: Wed July 16, 2025, 6:47 AM
Expires: Wed July 16, 2025, 10:00 PM
* WHAT...Temperatures of 95 to 102 degrees expected. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued July 16 at 6:47AM PDT until July 16 at 10:00PM PDT by NWS Portland OR
Effective: Wed July 16, 2025, 6:47 AM
Expires: Wed July 16, 2025, 10:00 PM
* WHAT...Temperatures of 95 to 102 degrees expected. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Weather Forecast
Average Temperature: 83.2°F
Average Humidity: 34%
Wind: 9.6 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 14.73 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 83.12 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:55 PM
Daylight: 15 hrs 18 mins
Moon Transit: 12:00 AM
Moonset: 12:19 AM
Moon Phase: Waning Gibbous
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 12:00 AM
Minor Periods
11:49 AM - 1:19 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 74.4°F
Average Humidity: 49%
Wind: 6.9 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 8.76 μg/m3
Sulphur Dioxide: 2.07 μg/m3
Ozone: 73.56 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:55 PM
Daylight: 15 hrs 16 mins
Moon Transit: 6:35 AM
Moonset: 1:37 PM
Moon Phase: Last Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
6:05 AM - 8:35 AM1:59 PM - 4:29 PM
Minor Periods
1:07 PM - 2:37 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 74.4°F
Average Humidity: 55%
Wind: 13.4 mph
UV Index: 2.4
Air Quality
Nitrogen Dioxide: 12.34 μg/m3
Sulphur Dioxide: 2.69 μg/m3
Ozone: 62.4 μg/m3
Astronomical
Sun Transit: 1:17 PM
Sunset: 8:54 PM
Daylight: 15 hrs 14 mins
Moon Transit: 7:25 AM
Moonset: 2:57 PM
Moon Phase: Last Quarter
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
6:55 AM - 9:25 AM2:50 PM - 5:20 PM
Minor Periods
2:27 PM - 3:57 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 65.9°F
Average Humidity: 61%
Wind: 9.2 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 7.06 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 65.32 μg/m3
Astronomical
Sun Transit: 1:17 PM
Sunset: 8:53 PM
Daylight: 15 hrs 12 mins
Moon Transit: 8:19 AM
Moonset: 4:20 PM
Moon Phase: Last Quarter
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
7:49 AM - 10:19 AM3:46 PM - 6:16 PM
Minor Periods
3:50 PM - 5:20 PM12:06 AM - 1:36 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 65.4°F
Average Humidity: 74%
Wind: 6 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 6.87 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 41.62 μg/m3
Astronomical
Sun Transit: 1:17 PM
Sunset: 8:52 PM
Daylight: 15 hrs 10 mins
Moon Transit: 9:17 AM
Moonset: 5:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
8:47 AM - 11:17 AM4:45 PM - 7:15 PM
Minor Periods
5:10 PM - 6:40 PM12:38 AM - 2:08 AM
Action Rating: 2 out of 5