Water Temperature of the Tualatin River in Dilley, OR

Current Water Temperature

54.0°F 12.2°C
Cold Thermal Gear Required
54.0°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: Wednesday, November 11, 2026, 6:30 AM PST

Temperature Locations

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Tualatin River

Station Name: TUALATIN RIVER NEAR DILLEY, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 184 feet

Nearest Address:
6273 SW Fern Hill Rd
Dilley, OR 97116
Washington County

GPS Coordinates: 45.4748365, -123.124274

Nearby Water Temperatures

Scoggins Creek, Gaston, OR (1.9 mi)
Wapato Creek, Gaston, OR (2.4 mi)
Gales Creek, Forest Grove, OR (2.5 mi)
Scoggins Creek, Gaston, OR (3.7 mi)
Tualatin River, Hillsboro, OR (6.7 mi)
Rock Creek, Hillsboro, OR (9.5 mi)
Tualatin River, Beaverton, OR (12.2 mi)
Beaverton Creek, Beaverton, OR (13.3 mi)
Chicken Creek, Sherwood, OR (14.7 mi)
Willamette River, West Linn, OR (15.3 mi)
East Fork Dairy Creek, Meacham Corner, OR (15.4 mi)
Fanno Creek, Beaverton, OR (16 mi)
Nestucca River, Fairdale, OR (18 mi)
Fanno Creek, Tigard, OR (18.6 mi)
Willamette River, Portland, OR (22.2 mi)

Weather for Dilley, Oregon

Current Weather

61.5°F
Overcast
Conditions: Overcast
Humidity: 83%
Feels Like: 62.4°F
Wind: S 2.5 mph
Wind Gusts: 8.1 mph
Pressure: 29.94 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 10.9 mi
UV Index: 0.8

Five-Day Weather Forecast

Fog
Wed
H: 62°F
L: 50°F
Fog
Thu
H: 61°F
L: 48°F
Moderate Rain
Fri
H: 54°F
L: 48°F
Moderate Drizzle
Sat
H: 52°F
L: 46°F
Slight Rain
Sun
H: 56°F
L: 45°F

Air Quality

EPA Index 1 • Good

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

PM2.5
8.8 μg/m³
Good
PM10
9.6 μg/m³
Good
Ozone (O3)
59 μg/m³
Photochemical
NO2
6.5 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
228 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 40m daylight
Sunrise 7:06 AM
Solar Noon 11:56 AM
Sunset 4:47 PM
Moon
New • 2%
Moonrise 9:58 AM
Transit 1:57 PM
Moonset 5:56 PM

Best Times for Fishing or Hunting

Major Periods

1:02 AM - 3:32 AM
1:27 PM - 3:57 PM

Minor Periods

9:28 AM - 10:58 AM
5:26 PM - 6:56 PM
Action Rating:
Good Action 3/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Fog
Average Temperature: 55.6°F
Average Humidity: 85%
Chance of Rain: 1%
Wind: 6.5 mph
UV Index: 2.4

Air Quality

EPA Index 1 • Good
PM2.5
9.5 μg/m³
Good
PM10
10.3 μg/m³
Good
Ozone (O3)
46.3 μg/m³
Photochemical
NO2
13 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
270.8 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 40m daylight
Sunrise 7:06 AM
Solar Noon 11:56 AM
Sunset 4:47 PM
Moon
New • 2%
Moonrise 9:58 AM
Transit 1:57 PM
Moonset 5:56 PM

Best Times for Fishing or Hunting

Major Periods

1:02 AM - 3:32 AM
1:27 PM - 3:57 PM

Minor Periods

9:28 AM - 10:58 AM
5:26 PM - 6:56 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Fog
Average Temperature: 53.2°F
Average Humidity: 88%
Chance of Rain: 7%
Wind: 8.2 mph
UV Index: 1.3

Air Quality

EPA Index 2 • Moderate
PM2.5
22.8 μg/m³
Moderate
PM10
24.6 μg/m³
Good
Ozone (O3)
25 μg/m³
Photochemical
NO2
27.4 μg/m³
Nitrogen Dioxide
SO2
1.1 μg/m³
Sulfur Dioxide
CO
342.7 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 38m daylight
Sunrise 7:08 AM
Solar Noon 11:56 AM
Sunset 4:45 PM
Moon
Waxing Crescent • 6%
Moonrise 10:51 AM
Transit 2:49 PM
Moonset 6:50 PM

Best Times for Fishing or Hunting

Major Periods

1:53 AM - 4:23 AM
2:19 PM - 4:49 PM

Minor Periods

10:21 AM - 11:51 AM
6:20 PM - 7:50 PM
Action Rating:
Good Action 3/5
Friday, November 13, 2026

Weather Forecast

Conditions: Moderate Rain
Average Temperature: 50.7°F
Average Humidity: 87%
Chance of Rain: 87%
Wind: 14.7 mph
UV Index: 0.8

Air Quality

EPA Index 2 • Moderate
PM2.5
8.5 μg/m³
Good
PM10
9.2 μg/m³
Good
Ozone (O3)
56 μg/m³
Photochemical
NO2
10.8 μg/m³
Nitrogen Dioxide
SO2
0.5 μg/m³
Sulfur Dioxide
CO
221.2 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 35m daylight
Sunrise 7:09 AM
Solar Noon 11:56 AM
Sunset 4:44 PM
Moon
Waxing Crescent • 13%
Moonrise 11:34 AM
Transit 3:39 PM
Moonset 7:50 PM

Best Times for Fishing or Hunting

Major Periods

2:44 AM - 5:14 AM
3:09 PM - 5:39 PM

Minor Periods

11:04 AM - 12:34 PM
7:20 PM - 8:50 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Moderate Drizzle
Average Temperature: 49.3°F
Average Humidity: 90%
Chance of Rain: 88%
Wind: 10.7 mph
UV Index: 0.5

Air Quality

EPA Index 1 • Good
PM2.5
3.5 μg/m³
Good
PM10
4.2 μg/m³
Good
Ozone (O3)
68.4 μg/m³
Photochemical
NO2
3.2 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
128 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 33m daylight
Sunrise 7:10 AM
Solar Noon 11:56 AM
Sunset 4:43 PM
Moon
Waxing Crescent • 21%
Moonrise 12:09 PM
Transit 4:28 PM
Moonset 8:54 PM

Best Times for Fishing or Hunting

Major Periods

3:34 AM - 6:04 AM
3:58 PM - 6:28 PM

Minor Periods

11:39 AM - 1:09 PM
8:24 PM - 9:54 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Slight Rain
Average Temperature: 50.2°F
Average Humidity: 90%
Chance of Rain: 94%
Wind: 9.2 mph
UV Index: 2.2

Air Quality

EPA Index 1 • Good
PM2.5
5 μg/m³
Good
PM10
5.7 μg/m³
Good
Ozone (O3)
57.9 μg/m³
Photochemical
NO2
5.9 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
159.9 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 31m daylight
Sunrise 7:12 AM
Solar Noon 11:57 AM
Sunset 4:42 PM
Moon
Waxing Crescent • 31%
Moonrise 12:37 PM
Transit 5:14 PM
Moonset 10:01 PM

Best Times for Fishing or Hunting

Major Periods

4:21 AM - 6:51 AM
4:44 PM - 7:14 PM

Minor Periods

12:07 PM - 1:37 PM
9:31 PM - 11:01 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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