Water Temperature of the Tualatin River in Hillsboro, OR
Current Water Temperature
Measurement Time: Wednesday, September 3, 2025, 11:30 PM PDT
Temperature Locations
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Local Points of Interest
Jackson Bottom Wetlands; Jackson SloughSponsored Content
Station Name: TUALATIN RIVER AT HWY 219 NEAR HILLSBORO, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 135 feet / 41 meters
Nearest Address:
2600 SW Hillsboro Hwy
Hillsboro, OR 97123
Washington County
GPS Coordinates: 45.50011635, -122.9912157
Nearby Water Temperatures
Rock Creek, Hillsboro, OR (2.8 mi)Gales Creek, Forest Grove, OR (6.1 mi)
Tualatin River, Dilley, OR (6.7 mi)
Beaverton Creek, Beaverton, OR (6.7 mi)
Wapato Creek, Gaston, OR (7.7 mi)
Tualatin River, Beaverton, OR (8.3 mi)
Scoggins Creek, Gaston, OR (8.5 mi)
Fanno Creek, Beaverton, OR (10.1 mi)
Scoggins Creek, Gaston, OR (10.3 mi)
Chicken Creek, Sherwood, OR (10.8 mi)
Fanno Creek, Tigard, OR (13.3 mi)
East Fork Dairy Creek, Meacham Corner, OR (13.9 mi)
Willamette River, West Linn, OR (15.0 mi)
Willamette River, Portland, OR (15.6 mi)
Crystal Springs Creek, Portland, OR (17.0 mi)
Weather for Hillsboro, Oregon
Current Weather

Humidity: 90%
Feels Like: 61°F
Wind: N 2.7 mph
Wind Gusts: 4.8 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Thu
H: 96°F
L: 60°F

Fri
H: 88°F
L: 64°F

Sat
H: 71°F
L: 60°F

Sun
H: 78°F
L: 59°F

Mon
H: 66°F
L: 58°F
Air Quality
Nitrogen Dioxide: 6.66 μg/m3
Sulphur Dioxide: 4.26 μg/m3
Ozone: 112 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 7:43 PM
Daylight: 13 hrs 5 mins
Moon Transit: 11:10 PM
Moonset: 2:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.3%
Best Times for Fishing or Hunting
Major Periods
5:40 AM - 8:10 AM12:00 AM - 12:00 AM
Minor Periods
6:06 PM - 7:36 PM2:08 AM - 3:38 AM
Action Rating: 3 out of 5
Heat Advisory issued September 4 at 2:45AM PDT until September 4 at 8:00PM PDT by NWS Portland OR
Effective: Thu September 4, 2025, 2:45 AM
Expires: Thu September 4, 2025, 8:00 PM
* WHAT...Afternoon high temperatures in the upper 80s to low 90s expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Cooler overnight lows in the mid 60s tonight will provide relief from daytime heat.
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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued September 3 at 2:30PM PDT until September 4 at 8:00PM PDT by NWS Portland OR
Effective: Wed September 3, 2025, 2:30 PM
Expires: Thu September 4, 2025, 5:00 AM
* WHAT...Afternoon high temperatures in the mid to upper 90s and overnight low temperatures in the mid 60s to lower 70s expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley. * WHEN...Until 8 PM PDT Thursday. * 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Red Flag Warning issued September 3 at 10:44PM PDT until September 4 at 9:00PM PDT by NWS Seattle WA
Effective: Wed September 3, 2025, 10:44 PM
Expires: Thu September 4, 2025, 6:45 AM
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Up to 85. * STABILITY...Unstable conditions can be expected. * IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. In western Washington, significant growth on existing fires takes place under such conditions. If a fire were to begin, air quality may diminish in the surrounding area.
A Red Flag Warning means that critical fire weather conditions are either imminent or occurring now. Any fires that develop will likely spread quickly. Outdoor burning is not recommended.
Red Flag Warning issued September 3 at 10:44PM PDT until September 4 at 9:00PM PDT by NWS Seattle WA
Effective: Wed September 3, 2025, 10:44 PM
Expires: Thu September 4, 2025, 6:45 AM
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet. * RELATIVE HUMIDITY...As low as 20 percent. * TEMPERATURES...Up to 85. * STABILITY...Unstable conditions can be expected. * IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. In western Washington, significant growth on existing fires takes place under such conditions. If a fire were to begin, air quality may diminish in the surrounding area.
A Red Flag Warning means that critical fire weather conditions are either imminent or occurring now. Any fires that develop will likely spread quickly. Outdoor burning is not recommended.
Weather Forecast
Average Temperature: 75.3°F
Average Humidity: 68%
Wind: 5.1 mph
UV Index: 1.5
Air Quality
Nitrogen Dioxide: 19.25 μg/m3
Sulphur Dioxide: 3.34 μg/m3
Ozone: 66 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 7:43 PM
Daylight: 13 hrs 5 mins
Moon Transit: 11:10 PM
Moonset: 2:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.3%
Best Times for Fishing or Hunting
Major Periods
5:40 AM - 8:10 AM12:00 AM - 12:00 AM
Minor Periods
6:06 PM - 7:36 PM2:08 AM - 3:38 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 74.4°F
Average Humidity: 67%
Wind: 3.4 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 22.83 μg/m3
Sulphur Dioxide: 3.52 μg/m3
Ozone: 64.76 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 7:41 PM
Daylight: 13 hrs 2 mins
Moon Transit: 12:00 AM
Moonset: 3:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM6:32 AM - 9:02 AM
Minor Periods
6:31 PM - 8:01 PM3:24 AM - 4:54 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 65.6°F
Average Humidity: 79%
Wind: 6.5 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 22.45 μg/m3
Sulphur Dioxide: 3.59 μg/m3
Ozone: 57.84 μg/m3
Astronomical
Sun Transit: 1:10 PM
Sunset: 7:39 PM
Daylight: 12 hrs 59 mins
Moon Transit: 12:00 AM
Moonset: 5:12 AM
Moon Phase: Full
Moon Illumination: 99.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM7:22 AM - 9:52 AM
Minor Periods
6:53 PM - 8:23 PM4:42 AM - 6:12 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 67.1°F
Average Humidity: 68%
Wind: 4.7 mph
UV Index: 1.1
Air Quality
Nitrogen Dioxide: 16.24 μg/m3
Sulphur Dioxide: 3.1 μg/m3
Ozone: 61.8 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 7:37 PM
Daylight: 12 hrs 56 mins
Moon Transit: 12:49 AM
Moonset: 6:30 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:19 AM - 2:49 AM8:11 AM - 10:41 AM
Minor Periods
7:12 PM - 8:42 PM6:00 AM - 7:30 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 61.3°F
Average Humidity: 85%
Wind: 5.8 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 26.7 μg/m3
Sulphur Dioxide: 2.13 μg/m3
Ozone: 47.15 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 7:35 PM
Daylight: 12 hrs 53 mins
Moon Transit: 1:38 AM
Moonset: 7:49 AM
Moon Phase: Full
Moon Illumination: 97.6%
Best Times for Fishing or Hunting
Major Periods
1:08 AM - 3:38 AM11:58 AM - 2:28 PM
Minor Periods
7:31 PM - 9:01 PM7:19 AM - 8:49 AM
Action Rating: 4 out of 5