Water Temperature of the Duwamish River in Tukwila, WA

Current Water Temperature

64.4°F 18.0°C
Cool Brisk & Refreshing
64.4°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Feels brisk on entry. Great for short dips; wetsuit recommended for extended swimming or water sports.

Measurement Time: Friday, September 13, 2019, 6:15 AM PDT

Temperature Locations

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Local Points of Interest

Duwamish Garden; Duwamish Hill Preserve; Green River

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Duwamish River

Station Name: DUWAMISH R AT E MARGINAL WAY BR AT DUWAMISH, WA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 20 feet

Nearest Address:
11500 E Marginal Way S
Tukwila, WA 98168
King County

GPS Coordinates: 47.50050556, -122.2881417

Nearby Water Temperatures

Duwamish River, Tukwila, WA (2 mi)
Cedar River, Renton, WA (4.1 mi)
White River, Auburn, WA (16 mi)
Cedar River, Maple Valley, WA (16.5 mi)
Commencement Bay, Tacoma, WA (17 mi)
Cedar River, Hobart, WA (17.2 mi)
Lake Tapps Diversion, Sumner, WA (18.3 mi)
White River, Sumner, WA (18.5 mi)
Taylor Creek, Selleck, WA (22.1 mi)
Cedar River, Cedar Falls, WA (23.9 mi)
Cedar River, Cedar Falls, WA (24.3 mi)
Canyon Creek, Cedar Falls, WA (25 mi)
Tolt River, Carnation, WA (25.5 mi)
North Fork Clover Creek, Tacoma, WA (26 mi)
White River, Buckley, WA (26.5 mi)

Weather for Tukwila, Washington

Current Weather

51.3°F
Overcast
Conditions: Overcast
Humidity: 85%
Feels Like: 48.4°F
Wind: SW 5 mph
Wind Gusts: 9.4 mph
Pressure: 29.78 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9.9 mi
UV Index: 0.3

Five-Day Weather Forecast

Overcast
Thu
H: 60°F
L: 50°F
Light Drizzle
Fri
H: 56°F
L: 48°F
Slight Rain
Sat
H: 59°F
L: 48°F
Light Rain Showers
Sun
H: 55°F
L: 50°F
Light Drizzle
Mon
H: 55°F
L: 47°F

Air Quality

EPA Index 1 • Good

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

PM2.5
16.3 μg/m³
Moderate
PM10
16.9 μg/m³
Good
Ozone (O3)
6 μg/m³
Photochemical
NO2
38 μg/m³
Nitrogen Dioxide
SO2
1.2 μg/m³
Sulfur Dioxide
CO
366 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 27m daylight
Sunrise 7:10 AM
Solar Noon 11:53 AM
Sunset 4:37 PM
Moon
Waxing Crescent • 6%
Moonrise 10:58 AM
Transit 2:45 PM
Moonset 6:35 PM

Best Times for Fishing or Hunting

Major Periods

1:50 AM - 4:20 AM
2:15 PM - 4:45 PM

Minor Periods

10:28 AM - 11:58 AM
6:05 PM - 7:35 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 54.5°F
Average Humidity: 79%
Chance of Rain: 4%
Wind: 5.8 mph
UV Index: 1.3

Air Quality

EPA Index 2 • Moderate
PM2.5
18.9 μg/m³
Moderate
PM10
19.7 μg/m³
Good
Ozone (O3)
10.5 μg/m³
Photochemical
NO2
35.5 μg/m³
Nitrogen Dioxide
SO2
1.6 μg/m³
Sulfur Dioxide
CO
331.3 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 27m daylight
Sunrise 7:10 AM
Solar Noon 11:53 AM
Sunset 4:37 PM
Moon
Waxing Crescent • 6%
Moonrise 10:58 AM
Transit 2:45 PM
Moonset 6:35 PM

Best Times for Fishing or Hunting

Major Periods

1:50 AM - 4:20 AM
2:15 PM - 4:45 PM

Minor Periods

10:28 AM - 11:58 AM
6:05 PM - 7:35 PM
Action Rating:
Good Action 3/5
Friday, November 13, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 51.4°F
Average Humidity: 76%
Chance of Rain: 73%
Wind: 15.5 mph
UV Index: 1

Air Quality

EPA Index 2 • Moderate
PM2.5
18.2 μg/m³
Moderate
PM10
19.1 μg/m³
Good
Ozone (O3)
13.3 μg/m³
Photochemical
NO2
41.2 μg/m³
Nitrogen Dioxide
SO2
1.5 μg/m³
Sulfur Dioxide
CO
234.4 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 24m daylight
Sunrise 7:11 AM
Solar Noon 11:53 AM
Sunset 4:35 PM
Moon
Waxing Crescent • 13%
Moonrise 11:41 AM
Transit 3:36 PM
Moonset 7:36 PM

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
3:06 PM - 5:36 PM

Minor Periods

11:11 AM - 12:41 PM
7:06 PM - 8:36 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Slight Rain
Average Temperature: 53.2°F
Average Humidity: 71%
Chance of Rain: 95%
Wind: 12.1 mph
UV Index: 2.2

Air Quality

EPA Index 2 • Moderate
PM2.5
4.4 μg/m³
Good
PM10
5.1 μg/m³
Good
Ozone (O3)
59 μg/m³
Photochemical
NO2
11.7 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
152.6 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 21m daylight
Sunrise 7:13 AM
Solar Noon 11:53 AM
Sunset 4:34 PM
Moon
Waxing Crescent • 21%
Moonrise 12:14 PM
Transit 4:24 PM
Moonset 8:42 PM

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
3:54 PM - 6:24 PM

Minor Periods

11:44 AM - 1:14 PM
8:12 PM - 9:42 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Light Rain Showers
Average Temperature: 52.3°F
Average Humidity: 78%
Chance of Rain: 95%
Wind: 11.4 mph
UV Index: 1.4

Air Quality

EPA Index 1 • Good
PM2.5
4.5 μg/m³
Good
PM10
5 μg/m³
Good
Ozone (O3)
54.5 μg/m³
Photochemical
NO2
13.6 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
155.4 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 19m daylight
Sunrise 7:14 AM
Solar Noon 11:53 AM
Sunset 4:33 PM
Moon
Waxing Crescent • 31%
Moonrise 12:40 PM
Transit 5:11 PM
Moonset 9:50 PM

Best Times for Fishing or Hunting

Major Periods

4:18 AM - 6:48 AM
4:41 PM - 7:11 PM

Minor Periods

12:10 PM - 1:40 PM
9:20 PM - 10:50 PM
Action Rating:
Very Good 4/5
Monday, November 16, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 50.7°F
Average Humidity: 73%
Chance of Rain: 39%
Wind: 8.9 mph
UV Index: 2.2

Air Quality

EPA Index 1 • Good
PM2.5
8.8 μg/m³
Good
PM10
10.8 μg/m³
Good
Ozone (O3)
55.4 μg/m³
Photochemical
NO2
14.7 μg/m³
Nitrogen Dioxide
SO2
1 μg/m³
Sulfur Dioxide
CO
146.5 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 16m daylight
Sunrise 7:16 AM
Solar Noon 11:54 AM
Sunset 4:32 PM
Moon
First Quarter • 42%
Moonrise 1:01 PM
Transit 5:55 PM
Moonset 10:59 PM

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:25 PM - 7:55 PM

Minor Periods

12:31 PM - 2:01 PM
10:29 PM - 11:59 PM
Action Rating:
Good Action 3/5
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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