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

48.2°F
Overcast
Conditions: Overcast
Humidity: 65%
Feels Like: 44.4°F
Wind: E 2.2 mph
Wind Gusts: 10.7 mph
Pressure: 30.04 in
Precipitation: 0 in
Cloud Cover: 99%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Overcast
Mon
H: 57°F
L: 44°F
Light rain
Tue
H: 54°F
L: 47°F
Overcast
Wed
H: 67°F
L: 50°F

Air Quality

EPA Index 2 • Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

PM2.5
19.6 μg/m³
Moderate
PM10
22.8 μg/m³
Good
Ozone (O3)
8 μg/m³
Photochemical
NO2
45.8 μg/m³
Nitrogen Dioxide
SO2
2 μg/m³
Sulfur Dioxide
CO
259 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 35m daylight
Sunrise 7:05 AM
Solar Noon 11:53 AM
Sunset 4:40 PM
Moon
New • 2%
Moonrise 7:55 AM
Transit 12:12 PM
Moonset 4:24 PM

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 AM
11:42 AM - 2:12 PM

Minor Periods

7:25 AM - 8:55 AM
3:54 PM - 5:24 PM
Action Rating:
Very Good 4/5

Small Craft Advisory issued November 9 at 2:21AM PST until November 10 at 4:00AM PST by NWS Seattle WA

Effective: Mon November 9, 2026, 2:21 AM
Expires: Mon November 9, 2026, 10:30 AM

* WHAT...South winds 15 to 25 kt. * WHERE...Puget Sound and Hood Canal. * WHEN...From 4 PM this afternoon to 4 AM PST Tuesday. * IMPACTS...Conditions will be hazardous to small craft.


Monday, November 9, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 50.2°F
Average Humidity: 72%
Chance of Rain: 83%
Wind: 10.5 mph
UV Index: 1

Astronomical

Sun
9h 35m daylight
Sunrise 7:05 AM
Solar Noon 11:53 AM
Sunset 4:40 PM
Moon
New • 2%
Moonrise 7:55 AM
Transit 12:12 PM
Moonset 4:24 PM

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 AM
11:42 AM - 2:12 PM

Minor Periods

7:25 AM - 8:55 AM
3:54 PM - 5:24 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Light rain
Average Temperature: 49.9°F
Average Humidity: 91%
Chance of Rain: 92%
Wind: 7.8 mph
UV Index: 0.3

Astronomical

Sun
9h 32m daylight
Sunrise 7:07 AM
Solar Noon 11:53 AM
Sunset 4:39 PM
Moon
New • 0%
Moonrise 9:04 AM
Transit 1:03 PM
Moonset 4:58 PM

Best Times for Fishing or Hunting

Major Periods

12:07 AM - 2:37 AM
12:33 PM - 3:03 PM

Minor Periods

8:34 AM - 10:04 AM
4:28 PM - 5:58 PM
Action Rating:
Very Good 4/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 55.8°F
Average Humidity: 73%
Chance of Rain: 36%
Wind: 6 mph
UV Index: 1.4

Astronomical

Sun
9h 29m daylight
Sunrise 7:08 AM
Solar Noon 11:53 AM
Sunset 4:38 PM
Moon
New • 2%
Moonrise 10:06 AM
Transit 1:54 PM
Moonset 5:42 PM

Best Times for Fishing or Hunting

Major Periods

12:58 AM - 3:28 AM
1:24 PM - 3:54 PM

Minor Periods

9:36 AM - 11:06 AM
5:12 PM - 6:42 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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