Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

61.2°F

Measurement Time: Saturday, July 11, 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

55°F
Clear
Clear
54.8°F
56.5°F
80%
NNW 3.8 mph
6.7 mph
55.5°F
46.5°F
0 in
0%
9 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 81°F
L: 51°F
Sunny
Mon
H: 88°F
L: 51°F
Sunny
Tue
H: 89°F
L: 54°F
Sunny
Wed
H: 93°F
L: 55°F
Sunny
Thu
H: 93°F
L: 59°F

Air Quality

AQI: 1 - Good
PM2.5: 6.4 μg/m3
PM10: 9.2 μg/m3
Carbon Monoxide: 93 μg/m3
Nitrogen Dioxide: 3 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 53 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:17 PM
Sunset: 9:00 PM
Daylight: 15 hrs 25 mins
Moonrise: 3:05 AM
Moon Transit: 11:37 AM
Moonset: 8:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

7:04 PM - 9:34 PM
11:07 AM - 1:37 PM

Minor Periods

7:39 PM - 9:09 PM
2:35 AM - 4:05 AM

Action Rating: 3 out of 5

Small Craft Advisory issued July 11 at 12:18PM PDT until July 13 at 11:00AM PDT by NWS Portland OR

Effective: Sat July 11, 2026, 12:18 PM
Expires: Sun July 12, 2026, 5:00 AM

* WHAT...Seas 5 to 7 ft at 9 seconds and north winds 10 to 20 kt with gusts up to 25 kt expected. * 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...From 11 AM Sunday to 11 AM PDT Monday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Conditions will initially increase within the inner waters then spread west and north through the early afternoon.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Sunday, July 12, 2026

Weather Forecast

Sunny
80.8°F
50.5°F
65.2°F
52%
0 in
2%
0%
8.3 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 4.78 μg/m3
PM10: 6.61 μg/m3
Carbon Monoxide: 92.29 μg/m3
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 62.08 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:17 PM
Sunset: 9:00 PM
Daylight: 15 hrs 25 mins
Moonrise: 3:05 AM
Moon Transit: 11:37 AM
Moonset: 8:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

7:04 PM - 9:34 PM
11:07 AM - 1:37 PM

Minor Periods

7:39 PM - 9:09 PM
2:35 AM - 4:05 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Sunny
88.1°F
50.6°F
68.8°F
48%
0 in
2%
0%
8.3 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 6.36 μg/m3
PM10: 7.62 μg/m3
Carbon Monoxide: 101.54 μg/m3
Nitrogen Dioxide: 6.57 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 69.29 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
88.9°F
53.5°F
70.3°F
44%
0 in
1%
0%
9.4 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 8.22 μg/m3
PM10: 10.25 μg/m3
Carbon Monoxide: 109.33 μg/m3
Nitrogen Dioxide: 6.64 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 74.54 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
92.5°F
55.2°F
73.5°F
39%
0 in
1%
0%
10.3 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 7.87 μg/m3
PM10: 10.13 μg/m3
Carbon Monoxide: 114.43 μg/m3
Nitrogen Dioxide: 6.36 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 72 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

Sunny
92.6°F
59.4°F
74°F
47%
0 in
1%
0%
6.9 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 7.07 μg/m3
PM10: 9.2 μg/m3
Carbon Monoxide: 131.67 μg/m3
Nitrogen Dioxide: 7 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 51.17 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

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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