Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

61.2°F

Measurement Time: Sunday, July 12, 2026, 5:00 PM 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

57.9°F
Clear
Clear
58°F
59.7°F
75%
NNW 4 mph
8.5 mph
59.7°F
48.4°F
0 in
0%
9 mi
1018 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 87°F
L: 54°F
Sunny
Tue
H: 88°F
L: 53°F
Sunny
Wed
H: 87°F
L: 54°F
Partly Cloudy
Thu
H: 79°F
L: 54°F
Sunny
Fri
H: 83°F
L: 51°F

Air Quality

AQI: 1 - Good
PM2.5: 6.2 μg/m3
PM10: 7.4 μg/m3
Carbon Monoxide: 102 μg/m3
Nitrogen Dioxide: 10.9 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 39 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:17 PM
Sunset: 8:59 PM
Daylight: 15 hrs 23 mins
Moonrise: 4:16 AM
Moon Transit: 12:44 AM
Moonset: 9:01 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:10 PM - 10:40 PM
12:14 AM - 2:44 PM

Minor Periods

8:31 PM - 10:01 PM
3:46 AM - 5:16 AM

Action Rating: 5 out of 5

Small Craft Advisory issued July 12 at 12:16PM PDT until July 13 at 2:00AM PDT by NWS Portland OR

Effective: Sun July 12, 2026, 12:16 PM
Expires: Mon July 13, 2026, 2:00 AM

* WHAT...Seas 5 to 7 ft at 9 seconds and north winds 10 to 20 kt with gusts up to 25 kt. * WHERE...Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM, Coastal waters from Cape Foulweather to Florence OR out 10 NM, Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM and Waters from Cape Foulweather to Florence OR from 10 to 60 NM. * WHEN...Until 2 AM PDT Monday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Periodic seas of 7 ft at 8 seconds will lead to choppy conditions though not expected to be widespread.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 12 at 12:05PM PDT until July 13 at 2:00AM PDT by NWS Portland OR

Effective: Sun July 12, 2026, 12:05 PM
Expires: Mon July 13, 2026, 2:00 AM

* WHAT...Seas 5 to 7 ft at 9 seconds and north winds 10 to 20 kt with gusts up to 25 kt. * WHERE...Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM, Coastal waters from Cape Foulweather to Florence OR out 10 NM, Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM and Waters from Cape Foulweather to Florence OR from 10 to 60 NM. * WHEN...Until 2 AM PDT Monday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Periodic seas of 7 ft at 8 seconds will lead to choppy conditions though not expected to be widespread.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Monday, July 13, 2026

Weather Forecast

Sunny
87.2°F
53.6°F
70°F
46%
0 in
1%
0%
8.1 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 6.7 μg/m3
PM10: 7.91 μg/m3
Carbon Monoxide: 103.13 μg/m3
Nitrogen Dioxide: 6.39 μg/m3
Sulphur Dioxide: 0.92 μg/m3
Ozone: 66.21 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 1:17 PM
Sunset: 8:59 PM
Daylight: 15 hrs 23 mins
Moonrise: 4:16 AM
Moon Transit: 12:44 AM
Moonset: 9:01 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:10 PM - 10:40 PM
12:14 AM - 2:44 PM

Minor Periods

8:31 PM - 10:01 PM
3:46 AM - 5:16 AM

Action Rating: 5 out of 5

Tuesday, July 14, 2026

Weather Forecast

Sunny
88°F
52.8°F
69.2°F
44%
0 in
1%
0%
10.5 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 6.96 μg/m3
PM10: 8.93 μg/m3
Carbon Monoxide: 103.25 μg/m3
Nitrogen Dioxide: 5.71 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 64.42 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 1:17 PM
Sunset: 8:58 PM
Daylight: 15 hrs 21 mins
Moonrise: 5:38 AM
Moon Transit: 1:47 PM
Moonset: 9:40 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

9:12 PM - 11:42 PM
1:17 PM - 3:47 PM

Minor Periods

9:10 PM - 10:40 PM
5:08 AM - 6:38 AM

Action Rating: 6 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
87.1°F
53.7°F
69.4°F
44%
0 in
17%
0%
9.8 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 11.66 μg/m3
Carbon Monoxide: 101.29 μg/m3
Nitrogen Dioxide: 4.54 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 60.38 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 1:18 PM
Sunset: 8:58 PM
Daylight: 15 hrs 20 mins
Moonrise: 7:04 AM
Moon Transit: 2:45 PM
Moonset: 10:10 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:15 PM - 4:45 PM

Minor Periods

9:40 PM - 11:10 PM
6:34 AM - 8:04 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Partly Cloudy
79.2°F
53.8°F
65.6°F
60%
0.01 in
17%
0%
8.3 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 9.03 μg/m3
PM10: 12.34 μg/m3
Carbon Monoxide: 105.38 μg/m3
Nitrogen Dioxide: 3.3 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 58.88 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:18 PM
Sunset: 8:57 PM
Daylight: 15 hrs 18 mins
Moonrise: 8:27 AM
Moon Transit: 3:37 PM
Moonset: 10:33 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:07 PM - 5:37 PM

Minor Periods

10:03 PM - 11:33 PM
7:57 AM - 9:27 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
83.3°F
50.5°F
65.5°F
60%
0 in
3%
0%
9.8 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 9.47 μg/m3
PM10: 12.3 μg/m3
Carbon Monoxide: 137.33 μg/m3
Nitrogen Dioxide: 12.23 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 34 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:18 PM
Sunset: 8:56 PM
Daylight: 15 hrs 16 mins
Moonrise: 9:45 AM
Moon Transit: 4:26 PM
Moonset: 10:52 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:56 PM - 6:26 PM

Minor Periods

10:22 PM - 11:52 PM
9:15 AM - 10:45 AM

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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