Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

62.8°F

Measurement Time: Wednesday, August 26, 2026, 8:00 AM PDT

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

81°F
Sunny
Sunny
45%
SW 3 mph
58°F

Weather Forecast

Sunny
This Afternoon
82°F - Sunny
Partly Cloudy
Tonight
55°F - Partly Cloudy
Patchy Fog then Mostly Sunny
Thursday
77°F - Patchy Fog then Mostly Sunny
Partly Cloudy
Thursday Night
54°F - Partly Cloudy
Mostly Sunny
Friday
77°F - Mostly Sunny
Partly Cloudy
Friday Night
52°F - Partly Cloudy
Slight Chance Rain Showers
Saturday
75°F - Slight Chance Rain Showers
Mostly Clear
Saturday Night
50°F - Mostly Clear
Sunny
Sunday
77°F - Sunny
Mostly Clear
Sunday Night
51°F - Mostly Clear
Mostly Sunny
Monday
79°F - Mostly Sunny
Mostly Cloudy
Monday Night
53°F - Mostly Cloudy
Partly Sunny
Tuesday
75°F - Partly Sunny
Mostly Cloudy then Chance Light Rain
Tuesday Night
53°F - Mostly Cloudy then Chance Light Rain

Astronomical

Sunrise: 6:27 AM
Sun Transit: 1:13 PM
Sunset: 8:00 PM
Daylight: 13 hrs 34 mins
Moonrise: 7:31 PM
Moon Transit: 12:00 AM
Moonset: 4:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:10 AM - 9:40 AM

Minor Periods

7:01 PM - 8:31 PM
4:10 AM - 5:40 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:27 AM
Sun Transit: 1:13 PM
Sunset: 8:00 PM
Daylight: 13 hrs 34 mins
Moonrise: 7:31 PM
Moon Transit: 12:00 AM
Moonset: 4:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:10 AM - 9:40 AM

Minor Periods

7:01 PM - 8:31 PM
4:10 AM - 5:40 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:27 AM
Sun Transit: 1:13 PM
Sunset: 8:00 PM
Daylight: 13 hrs 34 mins
Moonrise: 7:31 PM
Moon Transit: 12:00 AM
Moonset: 4:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:10 AM - 9:40 AM

Minor Periods

7:01 PM - 8:31 PM
4:10 AM - 5:40 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:28 AM
Sun Transit: 1:13 PM
Sunset: 7:58 PM
Daylight: 13 hrs 31 mins
Moonrise: 7:50 PM
Moon Transit: 12:35 AM
Moonset: 5:50 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:05 AM - 2:35 AM
7:55 AM - 10:25 AM

Minor Periods

7:20 PM - 8:50 PM
5:20 AM - 6:50 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:28 AM
Sun Transit: 1:13 PM
Sunset: 7:58 PM
Daylight: 13 hrs 31 mins
Moonrise: 7:50 PM
Moon Transit: 12:35 AM
Moonset: 5:50 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:05 AM - 2:35 AM
7:55 AM - 10:25 AM

Minor Periods

7:20 PM - 8:50 PM
5:20 AM - 6:50 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:29 AM
Sun Transit: 1:13 PM
Sunset: 7:57 PM
Daylight: 13 hrs 28 mins
Moonrise: 8:08 PM
Moon Transit: 1:19 AM
Moonset: 7:00 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
8:39 AM - 11:09 AM

Minor Periods

7:38 PM - 9:08 PM
6:30 AM - 8:00 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:29 AM
Sun Transit: 1:13 PM
Sunset: 7:57 PM
Daylight: 13 hrs 28 mins
Moonrise: 8:08 PM
Moon Transit: 1:19 AM
Moonset: 7:00 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:49 AM - 3:19 AM
8:39 AM - 11:09 AM

Minor Periods

7:38 PM - 9:08 PM
6:30 AM - 8:00 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:30 AM
Sun Transit: 1:12 PM
Sunset: 7:55 PM
Daylight: 13 hrs 25 mins
Moonrise: 8:26 PM
Moon Transit: 9:49 PM
Moonset: 8:11 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

9:23 AM - 11:53 AM
9:19 PM - 11:49 PM

Minor Periods

7:56 PM - 9:26 PM
7:41 AM - 9:11 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:30 AM
Sun Transit: 1:12 PM
Sunset: 7:55 PM
Daylight: 13 hrs 25 mins
Moonrise: 8:26 PM
Moon Transit: 9:49 PM
Moonset: 8:11 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

9:23 AM - 11:53 AM
9:19 PM - 11:49 PM

Minor Periods

7:56 PM - 9:26 PM
7:41 AM - 9:11 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:31 AM
Sun Transit: 1:12 PM
Sunset: 7:53 PM
Daylight: 13 hrs 21 mins
Moonrise: 8:45 PM
Moon Transit: 12:00 AM
Moonset: 9:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:15 PM - 9:45 PM
8:53 AM - 10:23 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:31 AM
Sun Transit: 1:12 PM
Sunset: 7:53 PM
Daylight: 13 hrs 21 mins
Moonrise: 8:45 PM
Moon Transit: 12:00 AM
Moonset: 9:23 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:15 PM - 9:45 PM
8:53 AM - 10:23 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:33 AM
Sun Transit: 1:12 PM
Sunset: 7:51 PM
Daylight: 13 hrs 18 mins
Moonrise: 9:05 PM
Moon Transit: 3:33 AM
Moonset: 10:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:03 AM - 5:33 AM
10:54 AM - 1:24 PM

Minor Periods

8:35 PM - 10:05 PM
10:08 AM - 11:38 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:33 AM
Sun Transit: 1:12 PM
Sunset: 7:51 PM
Daylight: 13 hrs 18 mins
Moonrise: 9:05 PM
Moon Transit: 3:33 AM
Moonset: 10:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:03 AM - 5:33 AM
10:54 AM - 1:24 PM

Minor Periods

8:35 PM - 10:05 PM
10:08 AM - 11:38 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:34 AM
Sun Transit: 1:11 PM
Sunset: 7:49 PM
Daylight: 13 hrs 15 mins
Moonrise: 9:30 PM
Moon Transit: 4:21 AM
Moonset: 11:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:51 AM - 6:21 AM
11:43 AM - 2:13 PM

Minor Periods

9:00 PM - 10:30 PM
11:24 AM - 12:54 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:34 AM
Sun Transit: 1:11 PM
Sunset: 7:49 PM
Daylight: 13 hrs 15 mins
Moonrise: 9:30 PM
Moon Transit: 4:21 AM
Moonset: 11:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:51 AM - 6:21 AM
11:43 AM - 2:13 PM

Minor Periods

9:00 PM - 10:30 PM
11:24 AM - 12:54 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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