Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

57.7°F

Measurement Time: Monday, June 29, 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

64.9°F
Overcast
Overcast
64.9°F
65.3°F
58%
NE 4.3 mph
4.9 mph
65.3°F
51.9°F
0 in
100%
9 mi
1018 mbar
2.1

Five Day Weather Forecast

Overcast
Mon
H: 68°F
L: 52°F
Cloudy
Tue
H: 67°F
L: 49°F
Overcast
Wed
H: 65°F
L: 48°F
Partly Cloudy
Thu
H: 70°F
L: 46°F
Patchy rain nearby
Fri
H: 75°F
L: 57°F

Air Quality

PM2.5: 6.5 μg/m3
PM10: 9.3 μg/m3
Carbon Monoxide: 90 μg/m3
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 1:15 PM
Sunset: 9:05 PM
Daylight: 15 hrs 39 mins
Moonrise: 9:31 PM
Moon Transit: 12:43 AM
Moonset: 4:41 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:13 AM - 2:43 AM
8:05 AM - 10:35 AM

Minor Periods

9:01 PM - 10:31 PM
4:11 AM - 5:41 AM

Action Rating: 5 out of 5

Small Craft Advisory issued June 29 at 12:10AM PDT until June 30 at 11:00PM PDT by NWS Portland OR

Effective: Mon June 29, 2026, 12:10 AM
Expires: Mon June 29, 2026, 4:15 PM

* WHAT...Seas 7 to 9 ft at 9 seconds and northwest winds 10 to 15 kt. * WHERE...Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM and Coastal waters from Cape Foulweather to Florence OR out 10 NM. * WHEN...Until 11 PM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Monday, June 29, 2026

Weather Forecast

Overcast
67.5°F
51.8°F
59.6°F
68%
0 in
11%
0%
4.7 mph
4.2


Air Quality

AQI: 1 - Good
PM2.5: 6.74 μg/m3
PM10: 9.47 μg/m3
Carbon Monoxide: 98.92 μg/m3
Nitrogen Dioxide: 3.28 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 57.42 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 1:15 PM
Sunset: 9:05 PM
Daylight: 15 hrs 39 mins
Moonrise: 9:31 PM
Moon Transit: 12:43 AM
Moonset: 4:41 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:13 AM - 2:43 AM
8:05 AM - 10:35 AM

Minor Periods

9:01 PM - 10:31 PM
4:11 AM - 5:41 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Cloudy
67.2°F
49°F
58.1°F
66%
0 in
11%
0%
7.8 mph
3.8


Air Quality

AQI: 1 - Good
PM2.5: 7.55 μg/m3
PM10: 11.04 μg/m3
Carbon Monoxide: 94.25 μg/m3
Nitrogen Dioxide: 2.51 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 60.88 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 1:15 PM
Sunset: 9:04 PM
Daylight: 15 hrs 38 mins
Moonrise: 10:08 PM
Moon Transit: 1:34 AM
Moonset: 5:41 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

1:04 AM - 3:34 AM
8:56 AM - 11:26 AM

Minor Periods

9:38 PM - 11:08 PM
5:11 AM - 6:41 AM

Action Rating: 4 out of 5

Wednesday, July 1, 2026

Weather Forecast

Overcast
64.7°F
48.4°F
56.9°F
68%
0 in
17%
0%
7.6 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 7.8 μg/m3
PM10: 11.08 μg/m3
Carbon Monoxide: 105.53 μg/m3
Nitrogen Dioxide: 3.64 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 58.13 μg/m3

Astronomical

Sunrise: 5:27 AM
Sun Transit: 1:15 PM
Sunset: 9:04 PM
Daylight: 15 hrs 37 mins
Moonrise: 10:37 PM
Moon Transit: 2:23 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
9:45 AM - 12:15 AM

Minor Periods

10:07 PM - 11:37 PM
6:17 AM - 7:47 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Partly Cloudy
70.2°F
46.4°F
58°F
71%
0.01 in
24%
0%
4.3 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 7 μg/m3
PM10: 9.97 μg/m3
Carbon Monoxide: 107.17 μg/m3
Nitrogen Dioxide: 3.71 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 51.67 μg/m3

Astronomical

Sunrise: 5:28 AM
Sun Transit: 1:16 PM
Sunset: 9:04 PM
Daylight: 15 hrs 36 mins
Moonrise: 11:00 PM
Moon Transit: 3:11 AM
Moonset: 7:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
10:31 AM - 1:01 PM

Minor Periods

10:30 PM - 12:00 PM
7:24 AM - 8:54 AM

Action Rating: 3 out of 5

Friday, July 3, 2026

Weather Forecast

Patchy rain nearby
74.7°F
56.6°F
64.4°F
70%
0.02 in
36%
0%
7.6 mph
4.9


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: 5:28 AM
Sun Transit: 1:16 PM
Sunset: 9:04 PM
Daylight: 15 hrs 36 mins
Moonrise: 11:20 PM
Moon Transit: 3:56 AM
Moonset: 9:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:26 AM - 5:56 AM
11:16 AM - 1:46 PM

Minor Periods

12:00 AM - 12:00 AM
8:33 AM - 10:03 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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