Water Temperature of the Tualatin River in Hillsboro, OR

Current Water Temperature

52.9°F 11.6°C
Cold Thermal Gear Required
52.9°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Saturday, November 7, 2026, 9:30 PM PST

Temperature Locations

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Local Points of Interest

Jackson Bottom Wetlands; Jackson Slough

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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

51.2°F
Patchy rain nearby
Conditions: Patchy rain nearby
Humidity: 88%
Feels Like: 48.4°F
Wind: SSW 6 mph
Wind Gusts: 14.6 mph
Pressure: 30.13 in
Precipitation: 0 in
Cloud Cover: 98%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Overcast
Sun
H: 59°F
L: 48°F
Overcast
Mon
H: 53°F
L: 45°F
Mist
Tue
H: 59°F
L: 47°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
10.1 μg/m³
Good
PM10
15.4 μg/m³
Good
Ozone (O3)
60 μg/m³
Photochemical
NO2
7.9 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
134 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 48m daylight
Sunrise 7:02 AM
Solar Noon 11:55 AM
Sunset 4:50 PM
Moon
New • 0%
Moonrise 6:40 AM
Transit 11:27 AM
Moonset 4:06 PM

Best Times for Fishing or Hunting

Major Periods

10:57 AM - 1:27 PM
11:21 PM - 1:51 AM

Minor Periods

6:10 AM - 7:40 AM
3:36 PM - 5:06 PM
Action Rating:
Very Good 4/5
Sunday, November 8, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 53.8°F
Average Humidity: 74%
Chance of Rain: 51%
Wind: 13.2 mph
UV Index: 1.4

Astronomical

Sun
9h 48m daylight
Sunrise 7:02 AM
Solar Noon 11:55 AM
Sunset 4:50 PM
Moon
New • 0%
Moonrise 6:40 AM
Transit 11:27 AM
Moonset 4:06 PM

Best Times for Fishing or Hunting

Major Periods

10:57 AM - 1:27 PM
11:21 PM - 1:51 AM

Minor Periods

6:10 AM - 7:40 AM
3:36 PM - 5:06 PM
Action Rating:
Very Good 4/5
Monday, November 9, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 49.5°F
Average Humidity: 89%
Chance of Rain: 90%
Wind: 7.4 mph
UV Index: 1.4

Astronomical

Sun
9h 45m daylight
Sunrise 7:03 AM
Solar Noon 11:55 AM
Sunset 4:48 PM
Moon
New • 2%
Moonrise 7:50 AM
Transit 12:15 PM
Moonset 4:35 PM

Best Times for Fishing or Hunting

Major Periods

12:10 AM - 2:40 AM
11:45 AM - 2:15 PM

Minor Periods

7:20 AM - 8:50 AM
4:05 PM - 5:35 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Mist
Average Temperature: 51.5°F
Average Humidity: 95%
Chance of Rain: 87%
Wind: 6.5 mph
UV Index: 1.5

Astronomical

Sun
9h 43m daylight
Sunrise 7:04 AM
Solar Noon 11:55 AM
Sunset 4:47 PM
Moon
New • 0%
Moonrise 8:57 AM
Transit 1:05 PM
Moonset 5:11 PM

Best Times for Fishing or Hunting

Major Periods

12:10 AM - 2:40 AM
12:35 PM - 3:05 PM

Minor Periods

8:27 AM - 9:57 AM
4:41 PM - 6:11 PM
Action Rating:
Very Good 4/5
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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