Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

45.1°F

Measurement Time: Tuesday, February 17, 2026, 12:00 AM PST

Temperature Locations

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Local Points of Interest

Jackson Bottom Wetlands; Jackson Slough

Tualatin River

Station Name: TUALATIN RIVER AT HWY 219 NEAR HILLSBORO, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 135 feet

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 mi)
Willamette River, Portland, OR (15.6 mi)
Crystal Springs Creek, Portland, OR (17 mi)

Weather for Hillsboro, Oregon

Current Weather

37°F
Overcast
Overcast
32.7°F
35.1°F
89%
SSE 5.4 mph
6.9 mph
28.3°F
32.3°F
0.02 in
100%
9 mi
996 mbar
0.5

Five Day Weather Forecast

Patchy rain nearby
Tue
H: 43°F
L: 31°F
Moderate rain
Wed
H: 42°F
L: 29°F
Heavy rain
Thu
H: 41°F
L: 32°F
Fog
Fri
H: 42°F
L: 32°F
Overcast
Sat
H: 49°F
L: 35°F

Air Quality

AQI: 1 - Good
PM2.5: 4.75 μg/m3
PM10: 5.95 μg/m3
Carbon Monoxide: 198.85 μg/m3
Nitrogen Dioxide: 20.75 μg/m3
Sulphur Dioxide: 3.25 μg/m3
Ozone: 63 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:25 AM
Sunset: 5:42 PM
Daylight: 10 hrs 32 mins
Moonrise: 7:24 AM
Moon Transit: 12:43 AM
Moonset: 6:15 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:04 PM - 10:34 PM
12:13 AM - 2:43 PM

Minor Periods

5:45 PM - 7:15 PM
6:54 AM - 8:24 AM

Action Rating: 5 out of 5

Winter Weather Advisory issued February 16 at 10:04PM PST until February 20 at 4:00AM PST by NWS Portland OR

Effective: Mon February 16, 2026, 10:04 PM
Expires: Tue February 17, 2026, 12:00 PM

* WHAT...Snow expected. Total snow accumulations of 2 to 6 inches through tonight. Another 0.5 to 2 inches of snow is expected from Tuesday morning through Tuesday night, then 2 to 5 inches of snow is expected from Wednesday morning through Wednesday night and another 2 to 5 inches of snow Thursday morning through Thursday night. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Mountains of Oregon, Willapa Hills, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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 Weather Advisory issued February 16 at 10:04PM PST until February 20 at 4:00AM PST by NWS Portland OR

Effective: Mon February 16, 2026, 10:04 PM
Expires: Tue February 17, 2026, 12:00 PM

* WHAT...Snow expected. Total snow accumulations of 4 to 9 inches from through Monday night. Another 2 to 5 inches of snow is expected from Tuesday morning through Tuesday night, then 5 to 10 inches of snow is expected from Wednesday morning through Wednesday night and another 5 to 10 inches of snow from Thursday morning through Thursday night. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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


Beach Hazards Statement issued February 16 at 11:53AM PST until February 17 at 10:00PM PST by NWS Portland OR

Effective: Mon February 16, 2026, 11:53 AM
Expires: Tue February 17, 2026, 10:00 PM

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From late Monday night through Tuesday evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...Caution should be used when in or near the water, especially those who will be razor clamming. Keep children and pets away from the surf zone. Keep off of jetties, rocks and logs near the surf zone. If you see someone swept into the sea do not swim in after them. Call 911 and keep an eye on them until help arrives.

Remain out of the water to avoid hazardous swimming conditions.


Tuesday, February 17, 2026

Weather Forecast

Patchy rain nearby
43.2°F
30.6°F
37°F
88%
0.13 in
89%
0%
7.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.72 μg/m3
PM10: 4.61 μg/m3
Carbon Monoxide: 177.49 μg/m3
Nitrogen Dioxide: 7.99 μg/m3
Sulphur Dioxide: 2.64 μg/m3
Ozone: 72.8 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:25 AM
Sunset: 5:42 PM
Daylight: 10 hrs 32 mins
Moonrise: 7:24 AM
Moon Transit: 12:43 AM
Moonset: 6:15 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

8:04 PM - 10:34 PM
12:13 AM - 2:43 PM

Minor Periods

5:45 PM - 7:15 PM
6:54 AM - 8:24 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Moderate rain
42.3°F
29.3°F
35.1°F
92%
0.55 in
83%
6%
4.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 9.95 μg/m3
PM10: 11.56 μg/m3
Carbon Monoxide: 278.13 μg/m3
Nitrogen Dioxide: 32.03 μg/m3
Sulphur Dioxide: 4.11 μg/m3
Ozone: 41.24 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:25 AM
Sunset: 5:44 PM
Daylight: 10 hrs 35 mins
Moonrise: 7:43 AM
Moon Transit: 1:29 PM
Moonset: 7:28 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:59 AM - 3:29 PM

Minor Periods

6:58 PM - 8:28 PM
7:13 AM - 8:43 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Heavy rain
41.4°F
32.1°F
36°F
91%
1.1 in
66%
30%
4.7 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 3.23 μg/m3
PM10: 3.79 μg/m3
Carbon Monoxide: 174.41 μg/m3
Nitrogen Dioxide: 9.27 μg/m3
Sulphur Dioxide: 2.49 μg/m3
Ozone: 69.12 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:25 AM
Sunset: 5:45 PM
Daylight: 10 hrs 38 mins
Moonrise: 8:01 AM
Moon Transit: 1:07 PM
Moonset: 8:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

12:37 AM - 3:07 PM
12:37 AM - 3:07 PM

Minor Periods

8:14 PM - 9:44 PM
7:31 AM - 9:01 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Fog
42.3°F
32.2°F
35.8°F
88%
0 in
0%
0%
6.5 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.37 μg/m3
PM10: 9.61 μg/m3
Carbon Monoxide: 223.56 μg/m3
Nitrogen Dioxide: 24.27 μg/m3
Sulphur Dioxide: 3.03 μg/m3
Ozone: 47.28 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:25 AM
Sunset: 5:46 PM
Daylight: 10 hrs 41 mins
Moonrise: 8:19 AM
Moon Transit: 3:01 PM
Moonset: 10:00 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:31 PM - 5:01 PM

Minor Periods

9:30 PM - 11:00 PM
7:49 AM - 9:19 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Overcast
48.5°F
35.4°F
40.2°F
70%
0 in
0%
0%
10.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.58 μg/m3
PM10: 9.41 μg/m3
Carbon Monoxide: 257.03 μg/m3
Nitrogen Dioxide: 29.64 μg/m3
Sulphur Dioxide: 3.07 μg/m3
Ozone: 38.62 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:25 AM
Sunset: 5:48 PM
Daylight: 10 hrs 44 mins
Moonrise: 8:40 AM
Moon Transit: 3:50 PM
Moonset: 11:18 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:20 PM - 5:50 PM

Minor Periods

12:00 AM - 12:00 AM
8:10 AM - 9:40 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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