Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

61.9°F

Measurement Time: Tuesday, July 14, 2026, 11:00 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

59.7°F
Sunny
Sunny
59.7°F
58.8°F
60%
NNW 2.2 mph
4.7 mph
58.8°F
45°F
0 in
0%
9 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 93°F
L: 59°F
Sunny
Thu
H: 85°F
L: 60°F
Sunny
Fri
H: 85°F
L: 54°F
Sunny
Sat
H: 87°F
L: 53°F
Sunny
Sun
H: 86°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 9.2 μg/m3
PM10: 11.8 μg/m3
Carbon Monoxide: 126 μg/m3
Nitrogen Dioxide: 10.7 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 30 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

Small Craft Advisory issued July 14 at 12:57PM PDT until July 15 at 9:00AM PDT by NWS Portland OR

Effective: Tue July 14, 2026, 12:57 PM
Expires: Wed July 15, 2026, 5:00 AM

* WHAT...Rough bar conditions expected due to very strong ebb chop. * WHERE...In the Main Channel of the Columbia River Bar. * WHEN...From 3 AM to 9 AM PDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft, especially when operating near to, or attempting to cross, the Columbia River Bar. * ADDITIONAL DETAILS..First Ebb current of 3.74 kt at 540 PM Tuesday. Seas 3 to 4 ft. Second Very strong ebb current of 7.12 kt at 551 AM Wednesday. Seas 6 to 7 ft. Third Ebb current of 4.08 kt at 630 PM Wednesday. Seas 4 ft.

A Small Craft Advisory means that wave conditions are expected to be hazardous to small craft in the vicinity of the Columbia River Bar. Mariners are advised to obtain the latest bar conditions from the United States Coast Guard before attempting to cross the bar.
Wednesday, July 15, 2026

Weather Forecast

Sunny
92.7°F
58.8°F
75.3°F
45%
0 in
1%
0%
7.2 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 8.98 μg/m3
PM10: 11.64 μg/m3
Carbon Monoxide: 107.88 μg/m3
Nitrogen Dioxide: 5.81 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 65.71 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
84.9°F
60.1°F
70.8°F
59%
0.03 in
36%
0%
8.7 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 8.96 μg/m3
PM10: 11.91 μg/m3
Carbon Monoxide: 98.13 μg/m3
Nitrogen Dioxide: 5.17 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 56 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
84.8°F
53.5°F
67.2°F
59%
0 in
4%
0%
7.8 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 10.66 μg/m3
PM10: 13.65 μg/m3
Carbon Monoxide: 117 μg/m3
Nitrogen Dioxide: 8.22 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 56.04 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

Saturday, July 18, 2026

Weather Forecast

Sunny
86.6°F
52.8°F
67.6°F
58%
0 in
3%
0%
10.7 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 6.61 μg/m3
PM10: 8.58 μg/m3
Carbon Monoxide: 103.65 μg/m3
Nitrogen Dioxide: 4.28 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 66.29 μg/m3

Astronomical

Sunrise: 5:41 AM
Sun Transit: 1:18 PM
Sunset: 8:55 PM
Daylight: 15 hrs 14 mins
Moonrise: 10:59 AM
Moon Transit: 5:11 PM
Moonset: 11:10 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:41 PM - 7:11 PM

Minor Periods

12:00 AM - 12:00 AM
10:29 AM - 11:59 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
85.5°F
52.3°F
69.4°F
55%
0 in
2%
0%
8.9 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 7.7 μg/m3
PM10: 10.13 μg/m3
Carbon Monoxide: 119.67 μg/m3
Nitrogen Dioxide: 5.92 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 53.83 μg/m3

Astronomical

Sunrise: 5:42 AM
Sun Transit: 1:18 PM
Sunset: 8:54 PM
Daylight: 15 hrs 13 mins
Moonrise: 12:10 AM
Moon Transit: 5:54 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

12:31 AM - 3:01 AM
5:24 PM - 7:54 PM

Minor Periods

11:40 AM - 1:10 PM
12:00 AM - 12:00 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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