Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

52.2°F

Measurement Time: Tuesday, April 28, 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

55.9°F
Overcast
Overcast
57°F
59.4°F
53%
ESE 2.2 mph
6.7 mph
59.3°F
42.2°F
0 in
100%
9 mi
1024 mbar
3.3

Five Day Weather Forecast

Overcast
Tue
H: 60°F
L: 48°F
Sunny
Wed
H: 69°F
L: 39°F
Partly Cloudy
Thu
H: 74°F
L: 45°F
Sunny
Fri
H: 68°F
L: 46°F
Patchy rain nearby
Sat
H: 71°F
L: 45°F

Air Quality

AQI: 1 - Good
PM2.5: 11.75 μg/m3
PM10: 16.15 μg/m3
Carbon Monoxide: 178.85 μg/m3
Nitrogen Dioxide: 18.55 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 58 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:09 PM
Sunset: 8:15 PM
Daylight: 14 hrs 11 mins
Moonrise: 5:33 PM
Moon Transit: 11:19 PM
Moonset: 4:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

5:56 AM - 8:26 AM
12:00 AM - 12:00 AM

Minor Periods

5:03 PM - 6:33 PM
4:07 AM - 5:37 AM

Action Rating: 4 out of 5

Tuesday, April 28, 2026

Weather Forecast

Overcast
60.4°F
48.4°F
53.3°F
68%
0 in
0%
0%
7.2 mph
5.4


Air Quality

AQI: 1 - Good
PM2.5: 11.39 μg/m3
PM10: 17.93 μg/m3
Carbon Monoxide: 168.49 μg/m3
Nitrogen Dioxide: 12.74 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 55.76 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 1:09 PM
Sunset: 8:15 PM
Daylight: 14 hrs 11 mins
Moonrise: 5:33 PM
Moon Transit: 11:19 PM
Moonset: 4:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

5:56 AM - 8:26 AM
12:00 AM - 12:00 AM

Minor Periods

5:03 PM - 6:33 PM
4:07 AM - 5:37 AM

Action Rating: 4 out of 5

Wednesday, April 29, 2026

Weather Forecast

Sunny
68.9°F
38.7°F
54.3°F
65%
0 in
0%
0%
5.1 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 9.85 μg/m3
PM10: 14.13 μg/m3
Carbon Monoxide: 173.89 μg/m3
Nitrogen Dioxide: 9.66 μg/m3
Sulphur Dioxide: 1.99 μg/m3
Ozone: 73.92 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:09 PM
Sunset: 8:17 PM
Daylight: 14 hrs 14 mins
Moonrise: 6:41 PM
Moon Transit: 12:00 AM
Moonset: 4:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:38 AM - 9:08 AM

Minor Periods

6:11 PM - 7:41 PM
4:24 AM - 5:54 AM

Action Rating: 3 out of 5

Thursday, April 30, 2026

Weather Forecast

Partly Cloudy
73.8°F
45.1°F
57.9°F
68%
0 in
0%
0%
5.1 mph
5.4


Air Quality

AQI: 1 - Good
PM2.5: 8.09 μg/m3
PM10: 9.36 μg/m3
Carbon Monoxide: 208.65 μg/m3
Nitrogen Dioxide: 12.1 μg/m3
Sulphur Dioxide: 2.21 μg/m3
Ozone: 66.08 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:09 PM
Sunset: 8:18 PM
Daylight: 14 hrs 17 mins
Moonrise: 7:49 PM
Moon Transit: 12:01 AM
Moonset: 5:12 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:21 AM - 9:51 AM

Minor Periods

7:19 PM - 8:49 PM
4:42 AM - 6:12 AM

Action Rating: 4 out of 5

Friday, May 1, 2026

Weather Forecast

Sunny
68.4°F
45.6°F
56.2°F
63%
0 in
0%
0%
9.2 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 6.9 μg/m3
PM10: 9.4 μg/m3
Carbon Monoxide: 176.4 μg/m3
Nitrogen Dioxide: 6.87 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 70.16 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:09 PM
Sunset: 8:19 PM
Daylight: 14 hrs 20 mins
Moonrise: 8:57 PM
Moon Transit: 12:45 AM
Moonset: 5:33 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:15 AM - 2:45 AM
8:05 AM - 10:35 AM

Minor Periods

8:27 PM - 9:57 PM
5:03 AM - 6:33 AM

Action Rating: 4 out of 5

Saturday, May 2, 2026

Weather Forecast

Patchy rain nearby
71°F
44.6°F
57°F
76%
0.03 in
89%
0%
5.4 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 7.43 μg/m3
PM10: 9.87 μg/m3
Carbon Monoxide: 172.87 μg/m3
Nitrogen Dioxide: 12.1 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 51.85 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:08 PM
Sunset: 8:21 PM
Daylight: 14 hrs 22 mins
Moonrise: 10:04 PM
Moon Transit: 1:31 AM
Moonset: 5:58 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
8:52 AM - 11:22 AM

Minor Periods

9:34 PM - 11:04 PM
5:28 AM - 6:58 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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