Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

50.9°F

Measurement Time: Sunday, November 2, 2025, 12:30 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: 83%
Feels Like: 44.1°F
Wind: N 5.8 mph
Wind Gusts: 8.9 mph
Pressure: 30.11 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Sun
H: 57°F
L: 42°F
Heavy rain
Mon
H: 49°F
L: 44°F
Moderate rain
Tue
H: 54°F
L: 47°F
Heavy rain
Wed
H: 60°F
L: 51°F
Patchy rain nearby
Thu
H: 57°F
L: 49°F

Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 9.65 μg/m3
Carbon Monoxide: 164.85 μg/m3
Nitrogen Dioxide: 12.95 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 45 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 11:55 AM
Sunset: 4:57 PM
Daylight: 10 hrs 3 mins
Moonrise: 3:24 PM
Moon Transit: 8:31 AM
Moonset: 3:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

8:01 AM - 10:31 AM
8:01 AM - 10:31 AM

Minor Periods

2:54 PM - 4:24 PM
2:41 AM - 4:11 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued November 2 at 12:16PM PST until November 3 at 1:00PM PST by NWS Portland OR

Effective: Sun November 2, 2025, 12:16 PM
Expires: Mon November 3, 2025, 4:00 AM

* WHAT...For the Beach Hazards Statement, Sneaker waves possible. For the Coastal Flood Advisory, tidal overflow flooding expected during high tide. * WHERE...Clatsop and Tillamook Coast, and South Washington Coast. * WHEN...For the Beach Hazards Statement, through Monday afternoon. For the Coastal Flood Advisory, from 10 AM to 2 PM PST Wednesday. * IMPACTS...Minor flooding, up to 1 foot above ground level, during high tides is expected in the low lying areas near bays, sloughs, and the lower reaches of the coastal rivers. Expect flooding along portions of Highway 101, including near Raymond, Seaside, and Fraser Road in Tillamook County.

A Coastal Flood Advisory means that tidal overflow flooding is expected. Coastal residents in the warned area should be alert for rising water, and take appropriate action to protect life and property. Remain out of the water to avoid hazardous swimming conditions.


Coastal Flood Advisory issued November 2 at 12:16PM PST until November 5 at 2:00PM PST by NWS Portland OR

Effective: Sun November 2, 2025, 12:16 PM
Expires: Mon November 3, 2025, 4:00 AM

* WHAT...For the Beach Hazards Statement, Sneaker waves possible. For the Coastal Flood Advisory, tidal overflow flooding expected during high tide. * WHERE...Clatsop and Tillamook Coast, and South Washington Coast. * WHEN...For the Beach Hazards Statement, through Monday afternoon. For the Coastal Flood Advisory, from 10 AM to 2 PM PST Wednesday. * IMPACTS...Minor flooding, up to 1 foot above ground level, during high tides is expected in the low lying areas near bays, sloughs, and the lower reaches of the coastal rivers. Expect flooding along portions of Highway 101, including near Raymond, Seaside, and Fraser Road in Tillamook County.

A Coastal Flood Advisory means that tidal overflow flooding is expected. Coastal residents in the warned area should be alert for rising water, and take appropriate action to protect life and property. Remain out of the water to avoid hazardous swimming conditions.


Sunday, November 2, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 47.8°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 6.3 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 12.15 μg/m3
PM10: 14.65 μg/m3
Carbon Monoxide: 228.13 μg/m3
Nitrogen Dioxide: 25.18 μg/m3
Sulphur Dioxide: 2.98 μg/m3
Ozone: 38.36 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 11:55 AM
Sunset: 4:57 PM
Daylight: 10 hrs 3 mins
Moonrise: 3:24 PM
Moon Transit: 8:31 AM
Moonset: 3:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

8:01 AM - 10:31 AM
8:01 AM - 10:31 AM

Minor Periods

2:54 PM - 4:24 PM
2:41 AM - 4:11 AM

Action Rating: 2 out of 5

Monday, November 3, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 46.8°F
Average Humidity: 88%
Chance of Rain: 83%
Wind: 5.8 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 8.95 μg/m3
PM10: 10.36 μg/m3
Carbon Monoxide: 198.89 μg/m3
Nitrogen Dioxide: 17.53 μg/m3
Sulphur Dioxide: 2.78 μg/m3
Ozone: 47.08 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 11:55 AM
Sunset: 4:56 PM
Daylight: 10 hrs 1 mins
Moonrise: 3:45 PM
Moon Transit: 10:41 PM
Moonset: 4:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
12:00 AM - 12:00 AM

Minor Periods

3:15 PM - 4:45 PM
4:01 AM - 5:31 AM

Action Rating: 3 out of 5

Tuesday, November 4, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 51.7°F
Average Humidity: 95%
Chance of Rain: 85%
Wind: 7.6 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 6.69 μg/m3
PM10: 7.14 μg/m3
Carbon Monoxide: 314.29 μg/m3
Nitrogen Dioxide: 19.09 μg/m3
Sulphur Dioxide: 2.63 μg/m3
Ozone: 39.28 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 11:55 AM
Sunset: 4:54 PM
Daylight: 9 hrs 58 mins
Moonrise: 4:09 PM
Moon Transit: 11:36 PM
Moonset: 5:55 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
12:00 AM - 12:00 AM

Minor Periods

3:39 PM - 5:09 PM
5:25 AM - 6:55 AM

Action Rating: 5 out of 5

Wednesday, November 5, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 53.9°F
Average Humidity: 89%
Chance of Rain: 88%
Wind: 15 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 4.38 μg/m3
PM10: 4.65 μg/m3
Carbon Monoxide: 207.69 μg/m3
Nitrogen Dioxide: 10.97 μg/m3
Sulphur Dioxide: 1.92 μg/m3
Ozone: 48.24 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 11:55 AM
Sunset: 4:53 PM
Daylight: 9 hrs 55 mins
Moonrise: 4:40 PM
Moon Transit: 12:00 AM
Moonset: 7:23 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:01 AM - 9:31 AM

Minor Periods

4:10 PM - 5:40 PM
6:53 AM - 8:23 AM

Action Rating: 5 out of 5

Thursday, November 6, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 52.3°F
Average Humidity: 82%
Chance of Rain: 88%
Wind: 14.1 mph
UV Index: 3

Air Quality

AQI: 1 - Good
PM2.5: 3.47 μg/m3
PM10: 4.25 μg/m3
Carbon Monoxide: 150.21 μg/m3
Nitrogen Dioxide: 5.45 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 72.79 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 11:55 AM
Sunset: 4:52 PM
Daylight: 9 hrs 53 mins
Moonrise: 5:20 PM
Moon Transit: 12:37 AM
Moonset: 8:51 AM
Moon Phase: Full
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 AM
8:03 AM - 10:33 AM

Minor Periods

4:50 PM - 6:20 PM
8:21 AM - 9:51 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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