Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

51.6°F

Measurement Time: Thursday, November 6, 2025, 3:30 PM PST

Temperature Locations

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Local Points of Interest

Jackson Bottom Wetlands; Jackson Slough

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Tualatin River

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

46.9°F
Clear
Conditions: Clear
Humidity: 90%
Feels Like: 45.3°F
Wind: WSW 4 mph
Wind Gusts: 8 mph
Pressure: 30.04 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Fri
H: 58°F
L: 44°F
Fog
Sat
H: 55°F
L: 42°F
Partly Cloudy
Sun
H: 57°F
L: 44°F
Overcast
Mon
H: 55°F
L: 48°F
Partly Cloudy
Tue
H: 56°F
L: 43°F

Air Quality

AQI: 2 - Moderate
PM2.5: 10.15 μg/m3
PM10: 13.05 μg/m3
Carbon Monoxide: 227.85 μg/m3
Nitrogen Dioxide: 16.25 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 11:55 AM
Sunset: 4:50 PM
Daylight: 9 hrs 50 mins
Moonrise: 6:14 PM
Moon Transit: 1:41 AM
Moonset: 10:13 AM
Moon Phase: Full
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

1:11 AM - 3:41 AM
9:08 AM - 11:38 AM

Minor Periods

5:44 PM - 7:14 PM
9:43 AM - 11:13 AM

Action Rating: 3 out of 5

High Surf Advisory issued November 6 at 2:41PM PST until November 6 at 7:00PM PST by NWS Portland OR

Effective: Thu November 6, 2025, 2:41 PM
Expires: Thu November 6, 2025, 7:00 PM

* WHAT...Large waves and hazardous surf conditions. Breakers up to 25-30 feet. * WHERE...Clatsop and Tillamook Coast, and South Washington Coast. * WHEN...Until 7 PM PST this evening. * IMPACTS...Destructive waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown while observing high surf. Minor beach erosion may damage coastal properties and buildings. Higher than normal water run-up is expected on beaches and low- lying shoreline. * ADDITIONAL DETAILS...Sneaker waves are also possible due to high waves and long period energetic periods. Caution should be used when in or near the water. Always keep an eye on the waves, and be especially watchful of children and pets.

A High Surf Advisory means that high surf will affect beaches, producing rip currents, sneaker waves and beach erosion. Stay well back from the water's edge and be alert for exceptionally high waves. Keep away from large logs on the beach. Water running up on the beach can easily lift or roll logs which can injure or kill someone caught in their path.
Friday, November 7, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 50.1°F
Average Humidity: 85%
Chance of Rain: 0%
Wind: 6.3 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 8.98 μg/m3
Carbon Monoxide: 172.93 μg/m3
Nitrogen Dioxide: 8.7 μg/m3
Sulphur Dioxide: 2.08 μg/m3
Ozone: 65.6 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 11:55 AM
Sunset: 4:50 PM
Daylight: 9 hrs 50 mins
Moonrise: 6:14 PM
Moon Transit: 1:41 AM
Moonset: 10:13 AM
Moon Phase: Full
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

1:11 AM - 3:41 AM
9:08 AM - 11:38 AM

Minor Periods

5:44 PM - 7:14 PM
9:43 AM - 11:13 AM

Action Rating: 3 out of 5

Saturday, November 8, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 47.8°F
Average Humidity: 83%
Chance of Rain: 0%
Wind: 4.3 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 14.27 μg/m3
PM10: 16.28 μg/m3
Carbon Monoxide: 347.49 μg/m3
Nitrogen Dioxide: 29.83 μg/m3
Sulphur Dioxide: 3.64 μg/m3
Ozone: 28.36 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 11:55 AM
Sunset: 4:49 PM
Daylight: 9 hrs 47 mins
Moonrise: 7:21 PM
Moon Transit: 2:48 AM
Moonset: 11:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

2:18 AM - 4:48 AM
10:15 AM - 12:45 AM

Minor Periods

6:51 PM - 8:21 PM
10:52 AM - 12:22 AM

Action Rating: 2 out of 5

Sunday, November 9, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 49.4°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 3.6 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 9.69 μg/m3
PM10: 10.62 μg/m3
Carbon Monoxide: 201.49 μg/m3
Nitrogen Dioxide: 23 μg/m3
Sulphur Dioxide: 3.27 μg/m3
Ozone: 36.68 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 11:55 AM
Sunset: 4:48 PM
Daylight: 9 hrs 45 mins
Moonrise: 8:38 PM
Moon Transit: 3:52 AM
Moonset: 12:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.1%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
11:18 AM - 1:48 PM

Minor Periods

8:08 PM - 9:38 PM
11:45 AM - 1:15 PM

Action Rating: 2 out of 5

Monday, November 10, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 51.4°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 2.5 mph
UV Index: 0.3

Air Quality

AQI: 2 - Moderate
PM2.5: 16.23 μg/m3
PM10: 16.94 μg/m3
Carbon Monoxide: 335.53 μg/m3
Nitrogen Dioxide: 31.93 μg/m3
Sulphur Dioxide: 3.9 μg/m3
Ozone: 17 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 11:55 AM
Sunset: 4:47 PM
Daylight: 9 hrs 42 mins
Moonrise: 9:56 PM
Moon Transit: 4:52 AM
Moonset: 12:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

4:22 AM - 6:52 AM
12:16 AM - 2:46 PM

Minor Periods

9:26 PM - 10:56 PM
12:24 AM - 1:54 PM

Action Rating: 3 out of 5

Tuesday, November 11, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 49.6°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 4.3 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 19.13 μg/m3
PM10: 20.06 μg/m3
Carbon Monoxide: 459.23 μg/m3
Nitrogen Dioxide: 38.4 μg/m3
Sulphur Dioxide: 4.47 μg/m3
Ozone: 11.31 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 11:56 AM
Sunset: 4:46 PM
Daylight: 9 hrs 40 mins
Moonrise: 11:12 PM
Moon Transit: 5:47 AM
Moonset: 1:22 PM
Moon Phase: Waning Gibbous
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
1:09 PM - 3:39 PM

Minor Periods

12:00 AM - 12:00 AM
12:52 AM - 2:22 PM

Action Rating: 2 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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