Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

62.6°F

Measurement Time: Saturday, July 25, 2026, 5:00 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

69.1°F
Overcast
Overcast
69.1°F
76.2°F
55%
WSW 8.5 mph
9.8 mph
72.3°F
54°F
0 in
100%
9 mi
1017 mbar
6.9

Five Day Weather Forecast

Sunny
Sat
H: 75°F
L: 57°F
Partly Cloudy
Sun
H: 81°F
L: 57°F
Sunny
Mon
H: 86°F
L: 55°F
Sunny
Tue
H: 81°F
L: 56°F
Sunny
Wed
H: 84°F
L: 54°F

Air Quality

AQI: 1 - Good
PM2.5: 6.6 μg/m3
PM10: 9.3 μg/m3
Carbon Monoxide: 89 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:18 PM
Sunset: 8:48 PM
Daylight: 15 hrs mins
Moonrise: 6:43 PM
Moon Transit: 10:38 PM
Moonset: 1:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

5:08 AM - 7:38 AM
12:00 AM - 12:00 AM

Minor Periods

6:13 PM - 7:43 PM
1:15 AM - 2:45 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 24 at 9:12PM PDT until July 25 at 8:00PM PDT by NWS Portland OR

Effective: Fri July 24, 2026, 9:12 PM
Expires: Sat July 25, 2026, 1:15 PM

* WHAT...Rough bar conditions expected. Seas 5 to 7 ft at 8 seconds and south winds 20 to 25 kt with gusts up to 30 kt expected. * WHERE...In the Main Channel of the Columbia River Bar. * WHEN...From 11 AM to 8 PM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft, especially when operating near to, or attempting to cross, the Columbia River Bar. * ADDITIONAL DETAILS...Ebb current of 4.57 kt at 220 AM Saturday. Seas 3 to 5 ft. Ebb current of 1.86 kt at 251 PM Saturday. Seas 5 to 7 ft. Ebb current of 4.84 kt at 310 AM Sunday. Seas 4 to 6 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.


Small Craft Advisory issued July 25 at 1:20AM PDT until July 25 at 8:00PM PDT by NWS Portland OR

Effective: Sat July 25, 2026, 1:20 AM
Expires: Sat July 25, 2026, 2:00 PM

* WHAT...Rough bar conditions expected. Seas 5 to 7 ft at 8 seconds and south winds 20 to 25 kt with gusts up to 30 kt expected. * WHERE...In the Main Channel of the Columbia River Bar. * WHEN...From 11 AM to 8 PM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft, especially when operating near to, or attempting to cross, the Columbia River Bar. * ADDITIONAL DETAILS...Ebb current of 4.57 kt at 220 AM Saturday. Seas 4 to 5 ft. Ebb current of 1.86 kt at 251 PM Saturday. Seas 6 to 7 ft. Ebb current of 4.84 kt at 310 AM Sunday. Seas 4 to 6 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.


Small Craft Advisory issued July 25 at 10:58AM PDT until July 25 at 8:00PM PDT by NWS Portland OR

Effective: Sat July 25, 2026, 10:58 AM
Expires: Sat July 25, 2026, 8:00 PM

* WHAT...Rough bar conditions expected. Seas building to 5 to 7 ft at 8 seconds this afternoon and south winds 20 to 25 kt with gusts up to 30 kt expected. * WHERE...In the Main Channel of the Columbia River Bar. * WHEN...From 11 AM to 8 PM PDT Saturday. * IMPACTS...Conditions will be hazardous to small craft, especially when operating near to, or attempting to cross, the Columbia River Bar. * ADDITIONAL DETAILS...Ebb current of 1.86 kt at 251 PM Saturday. Seas 6 to 8 ft. Ebb current of 4.84 kt at 310 AM Sunday. Seas 4 to 6 ft. Ebb current of 2.13 kt at 342 PM Sunday. Seas 3 to 5 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.
Saturday, July 25, 2026

Weather Forecast

Sunny
74.5°F
56.7°F
66.3°F
64%
0 in
6%
0%
9.6 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 5.42 μg/m3
PM10: 7.23 μg/m3
Carbon Monoxide: 95.67 μg/m3
Nitrogen Dioxide: 4.12 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 49.63 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:18 PM
Sunset: 8:48 PM
Daylight: 15 hrs mins
Moonrise: 6:43 PM
Moon Transit: 10:38 PM
Moonset: 1:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

5:08 AM - 7:38 AM
12:00 AM - 12:00 AM

Minor Periods

6:13 PM - 7:43 PM
1:15 AM - 2:45 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Partly Cloudy
81.2°F
57.3°F
67.9°F
63%
0 in
6%
0%
9.6 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 5.08 μg/m3
PM10: 6.43 μg/m3
Carbon Monoxide: 102.75 μg/m3
Nitrogen Dioxide: 5.13 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 47.25 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:18 PM
Sunset: 8:47 PM
Daylight: 14 hrs 58 mins
Moonrise: 7:30 PM
Moon Transit: 11:29 PM
Moonset: 2:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

6:00 AM - 8:30 AM
12:00 AM - 12:00 AM

Minor Periods

7:00 PM - 8:30 PM
2:04 AM - 3:34 AM

Action Rating: 4 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
85.6°F
54.9°F
68.5°F
58%
0 in
3%
0%
9.6 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 8.8 μg/m3
PM10: 11.41 μg/m3
Carbon Monoxide: 109.08 μg/m3
Nitrogen Dioxide: 6.7 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 50.54 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:18 PM
Sunset: 8:46 PM
Daylight: 14 hrs 56 mins
Moonrise: 8:09 PM
Moon Transit: 12:00 AM
Moonset: 3:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:51 AM - 9:21 AM

Minor Periods

7:39 PM - 9:09 PM
3:02 AM - 4:32 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
80.6°F
55.6°F
67.8°F
63%
0 in
7%
0%
9.6 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 5.85 μg/m3
PM10: 7.9 μg/m3
Carbon Monoxide: 102.24 μg/m3
Nitrogen Dioxide: 4.28 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 40.83 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:18 PM
Sunset: 8:45 PM
Daylight: 14 hrs 53 mins
Moonrise: 8:40 PM
Moon Transit: 12:19 AM
Moonset: 4:37 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:41 AM - 10:11 AM

Minor Periods

8:10 PM - 9:40 PM
4:07 AM - 5:37 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
83.9°F
53.9°F
67.8°F
54%
0 in
3%
0%
10.1 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 7.28 μg/m3
PM10: 9.9 μg/m3
Carbon Monoxide: 113.5 μg/m3
Nitrogen Dioxide: 8.55 μg/m3
Sulphur Dioxide: 0.92 μg/m3
Ozone: 26.5 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:18 PM
Sunset: 8:44 PM
Daylight: 14 hrs 51 mins
Moonrise: 9:05 PM
Moon Transit: 1:08 AM
Moonset: 5:44 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
8:30 AM - 11:00 AM

Minor Periods

8:35 PM - 10:05 PM
5:14 AM - 6:44 AM

Action Rating: 4 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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