Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

45.1°F

Measurement Time: Thursday, January 15, 2026, 12:00 PM 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

39°F
Clear
Clear
36.4°F
41.5°F
100%
N 3.8 mph
8 mph
37.1°F
36.2°F
0 in
0%
8 mi
1027 mbar
0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 55°F
L: 39°F
Sunny
Fri
H: 47°F
L: 33°F
Sunny
Sat
H: 50°F
L: 32°F
Sunny
Sun
H: 51°F
L: 37°F
Sunny
Mon
H: 51°F
L: 37°F

Air Quality

PM2.5: 10.85 μg/m3
PM10: 11.05 μg/m3
Carbon Monoxide: 222.85 μg/m3
Nitrogen Dioxide: 15.45 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 45 μg/m3

Astronomical

Sunrise: 7:48 AM
Sun Transit: 12:21 AM
Sunset: 4:55 PM
Daylight: 9 hrs 7 mins
Moonrise: 5:54 AM
Moon Transit: 9:50 AM
Moonset: 1:45 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

5:13 PM - 7:43 PM
9:20 AM - 11:50 AM

Minor Periods

1:15 PM - 2:45 PM
5:24 AM - 6:54 AM

Action Rating: 3 out of 5

Air Stagnation Advisory issued January 15 at 2:27PM PST until January 20 at 10:00AM PST by NWS Portland OR

Effective: Thu January 15, 2026, 2:27 PM
Expires: Fri January 16, 2026, 5:00 AM

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. * WHERE...Central and Southern Willamette Valley, and Tualatin Valley. * WHEN...From 7 PM Saturday to 10 AM PST Tuesday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems.

State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies, prolonged periods of stagnant air can hold pollutants close to the ground where people live and breathe. Check with your local burn agency for any current restrictions in your area. People with respiratory illness should follow their physician's advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable.


Wind Advisory issued January 15 at 2:27PM PST until January 17 at 3:00PM PST by NWS Portland OR

Effective: Thu January 15, 2026, 2:27 PM
Expires: Fri January 16, 2026, 5:00 AM

* WHAT...East winds 15 to 25 mph with gusts up to 45 to 55 mph expected. * WHERE...East Portland Metro. * WHEN...From 9 PM this evening to 3 PM PST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Gusts will be strongest along the Interstate-84 corridor.

Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects such as garbage cans and other objects that can easily blow around.


Thursday, January 15, 2026

Weather Forecast

Partly Cloudy
55°F
38.7°F
44.5°F
90%
0 in
0%
0%
4.9 mph
0.3


Air Quality

AQI: 2 - Moderate
PM2.5: 15.53 μg/m3
PM10: 15.75 μg/m3
Carbon Monoxide: 295.13 μg/m3
Nitrogen Dioxide: 20.55 μg/m3
Sulphur Dioxide: 2.77 μg/m3
Ozone: 28.76 μg/m3

Astronomical

Sunrise: 7:48 AM
Sun Transit: 12:21 AM
Sunset: 4:55 PM
Daylight: 9 hrs 7 mins
Moonrise: 5:54 AM
Moon Transit: 9:50 AM
Moonset: 1:45 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

5:13 PM - 7:43 PM
9:20 AM - 11:50 AM

Minor Periods

1:15 PM - 2:45 PM
5:24 AM - 6:54 AM

Action Rating: 3 out of 5

Friday, January 16, 2026

Weather Forecast

Sunny
47.3°F
32.7°F
38.3°F
79%
0 in
0%
0%
4 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 11.76 μg/m3
PM10: 11.92 μg/m3
Carbon Monoxide: 255.69 μg/m3
Nitrogen Dioxide: 20.94 μg/m3
Sulphur Dioxide: 2.66 μg/m3
Ozone: 39.96 μg/m3

Astronomical

Sunrise: 7:47 AM
Sun Transit: 12:21 AM
Sunset: 4:57 PM
Daylight: 9 hrs 9 mins
Moonrise: 6:48 AM
Moon Transit: 10:42 AM
Moonset: 2:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

6:05 PM - 8:35 PM
10:12 AM - 12:42 AM

Minor Periods

2:10 PM - 3:40 PM
6:18 AM - 7:48 AM

Action Rating: 3 out of 5

Saturday, January 17, 2026

Weather Forecast

Sunny
49.5°F
31.6°F
39.1°F
74%
0 in
0%
0%
2.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 7.23 μg/m3
Carbon Monoxide: 213.99 μg/m3
Nitrogen Dioxide: 16.9 μg/m3
Sulphur Dioxide: 2.48 μg/m3
Ozone: 42.2 μg/m3

Astronomical

Sunrise: 7:47 AM
Sun Transit: 12:22 AM
Sunset: 4:58 PM
Daylight: 9 hrs 11 mins
Moonrise: 7:32 AM
Moon Transit: 11:35 AM
Moonset: 3:43 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

6:57 PM - 9:27 PM
11:05 AM - 1:35 PM

Minor Periods

3:13 PM - 4:43 PM
7:02 AM - 8:32 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Sunny
51.2°F
36.7°F
42.2°F
75%
0 in
0%
0%
2.2 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 10.61 μg/m3
PM10: 10.74 μg/m3
Carbon Monoxide: 334.21 μg/m3
Nitrogen Dioxide: 29.46 μg/m3
Sulphur Dioxide: 3.03 μg/m3
Ozone: 20 μg/m3

Astronomical

Sunrise: 7:46 AM
Sun Transit: 12:22 AM
Sunset: 4:59 PM
Daylight: 9 hrs 13 mins
Moonrise: 8:08 AM
Moon Transit: 12:26 AM
Moonset: 4:53 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

7:48 PM - 10:18 PM
11:56 AM - 2:26 PM

Minor Periods

4:23 PM - 5:53 PM
7:38 AM - 9:08 AM

Action Rating: 4 out of 5

Monday, January 19, 2026

Weather Forecast

Sunny
50.7°F
36.9°F
40.9°F
78%
0 in
0%
0%
2.7 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:45 AM
Sun Transit: 12:22 AM
Sunset: 5:01 PM
Daylight: 9 hrs 15 mins
Moonrise: 8:36 AM
Moon Transit: 1:15 PM
Moonset: 6:04 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

8:36 PM - 11:06 PM
12:45 AM - 3:15 PM

Minor Periods

5:34 PM - 7:04 PM
8:06 AM - 9:36 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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