Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

61.2°F

Measurement Time: Saturday, May 9, 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

75.9°F
Sunny
Sunny
76.5°F
78.2°F
39%
NE 2.7 mph
3.1 mph
78.4°F
48.7°F
0 in
0%
9 mi
1017 mbar
4

Five Day Weather Forecast

Sunny
Sat
H: 80°F
L: 47°F
Partly Cloudy
Sun
H: 73°F
L: 50°F
Sunny
Mon
H: 76°F
L: 46°F
Sunny
Tue
H: 82°F
L: 50°F
Patchy rain nearby
Wed
H: 72°F
L: 54°F

Air Quality

AQI: 1 - Good
PM2.5: 6.45 μg/m3
PM10: 7.05 μg/m3
Carbon Monoxide: 181.85 μg/m3
Nitrogen Dioxide: 20.05 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 45 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:08 PM
Sunset: 8:29 PM
Daylight: 14 hrs 41 mins
Moonrise: 2:30 AM
Moon Transit: 7:17 AM
Moonset: 12:14 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
2:37 PM - 5:07 PM

Minor Periods

11:44 AM - 1:14 PM
2:00 AM - 3:30 AM

Action Rating: 2 out of 5

Saturday, May 9, 2026

Weather Forecast

Sunny
79.9°F
46.8°F
62.8°F
64%
0 in
0%
0%
3.8 mph
6.5


Air Quality

AQI: 1 - Good
PM2.5: 11.16 μg/m3
PM10: 12.08 μg/m3
Carbon Monoxide: 165.73 μg/m3
Nitrogen Dioxide: 13.11 μg/m3
Sulphur Dioxide: 2.12 μg/m3
Ozone: 58.28 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:08 PM
Sunset: 8:29 PM
Daylight: 14 hrs 41 mins
Moonrise: 2:30 AM
Moon Transit: 7:17 AM
Moonset: 12:14 AM
Moon Phase: Last Quarter
Moon Illumination: 36.7%

Best Times for Fishing or Hunting

Major Periods

6:47 AM - 9:17 AM
2:37 PM - 5:07 PM

Minor Periods

11:44 AM - 1:14 PM
2:00 AM - 3:30 AM

Action Rating: 2 out of 5

Sunday, May 10, 2026

Weather Forecast

Partly Cloudy
72.7°F
49.6°F
59.9°F
64%
0 in
0%
0%
8.5 mph
7.1


Air Quality

AQI: 1 - Good
PM2.5: 5.19 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 169.17 μg/m3
Nitrogen Dioxide: 9.41 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 60.12 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:08 PM
Sunset: 8:31 PM
Daylight: 14 hrs 43 mins
Moonrise: 2:51 AM
Moon Transit: 8:02 AM
Moonset: 1:24 PM
Moon Phase: Last Quarter
Moon Illumination: 26.2%

Best Times for Fishing or Hunting

Major Periods

7:32 AM - 10:02 AM
3:22 PM - 5:52 PM

Minor Periods

12:54 AM - 2:24 PM
2:21 AM - 3:51 AM

Action Rating: 2 out of 5

Monday, May 11, 2026

Weather Forecast

Sunny
76.1°F
45.8°F
59.9°F
63%
0 in
0%
0%
6.5 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 4.41 μg/m3
PM10: 5.38 μg/m3
Carbon Monoxide: 162.45 μg/m3
Nitrogen Dioxide: 7.47 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 63.84 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:08 PM
Sunset: 8:32 PM
Daylight: 14 hrs 46 mins
Moonrise: 3:10 AM
Moon Transit: 8:46 AM
Moonset: 2:36 PM
Moon Phase: Last Quarter
Moon Illumination: 16.9%

Best Times for Fishing or Hunting

Major Periods

8:16 AM - 10:46 AM
4:06 PM - 6:36 PM

Minor Periods

2:06 PM - 3:36 PM
2:40 AM - 4:10 AM

Action Rating: 2 out of 5

Tuesday, May 12, 2026

Weather Forecast

Sunny
81.9°F
50.1°F
65°F
59%
0 in
0%
0%
4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.21 μg/m3
PM10: 6.83 μg/m3
Carbon Monoxide: 207.39 μg/m3
Nitrogen Dioxide: 10.85 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 79 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:08 PM
Sunset: 8:33 PM
Daylight: 14 hrs 48 mins
Moonrise: 3:28 AM
Moon Transit: 6:41 PM
Moonset: 3:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

6:11 PM - 8:41 PM
6:11 PM - 8:41 PM

Minor Periods

3:19 PM - 4:49 PM
2:58 AM - 4:28 AM

Action Rating: 4 out of 5

Wednesday, May 13, 2026

Weather Forecast

Patchy rain nearby
72.1°F
54°F
62.2°F
77%
0.05 in
88%
0%
5.4 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 7.17 μg/m3
PM10: 8.65 μg/m3
Carbon Monoxide: 201.07 μg/m3
Nitrogen Dioxide: 10.54 μg/m3
Sulphur Dioxide: 2.37 μg/m3
Ozone: 70.15 μg/m3

Astronomical

Sunrise: 5:43 AM
Sun Transit: 1:08 PM
Sunset: 8:34 PM
Daylight: 14 hrs 51 mins
Moonrise: 3:47 AM
Moon Transit: 10:18 AM
Moonset: 5:05 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

5:39 PM - 8:09 PM
9:48 AM - 12:18 AM

Minor Periods

4:35 PM - 6:05 PM
3:17 AM - 4:47 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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