Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
When frigid air will loosen its grip on the Northeast, Midwest? Get the forecast. Chevron right

SeaTac, WA

45°F
Location Chevron down
Location News Videos
Use Current Location
Recent

SeaTac

Washington

45°
No results found.
Try searching for a city, zip code or point of interest.
settings
SeaTac, WA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today

Hourly

Daily Radar MinuteCast® Monthly Air Quality Health & Activities

5 AM

45°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 65%
Chevron down
Rain
alerts

Coastal Flood Advisory

4:00 AM Saturday - 8:00 AM Saturday

WindSSE 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity93%

Indoor Humidity41% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.02 in

Visibility6 mi

Cloud Ceiling2000 ft

6 AM

45°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

4:00 AM Saturday - 8:00 AM Saturday

WindSSE 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity94%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2000 ft

7 AM

45°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 58%
Chevron down
Rain
alerts

Coastal Flood Advisory

4:00 AM Saturday - 8:00 AM Saturday

WindSSE 7 mph

Air QualityPoor

Wind Gusts9 mph

Humidity95%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility6 mi

Cloud Ceiling1500 ft

8 AM

45°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 57%
Chevron down
Showers

RealFeel Shade™41°

WindSSE 7 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts8 mph

Humidity91%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1600 ft

9 AM

46°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 58%
Chevron down
Rain

RealFeel Shade™40°

WindSSE 7 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts8 mph

Humidity89%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.01 in

Visibility6 mi

Cloud Ceiling1800 ft

10 AM

46°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 54%
Chevron down
Rain

RealFeel Shade™41°

WindSSE 7 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts8 mph

Humidity88%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.01 in

Visibility6 mi

Cloud Ceiling2000 ft

11 AM

48°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™45°

WindSSE 7 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts8 mph

Humidity86%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling3300 ft

12 PM

50°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 42%
Chevron down
Cloudy

RealFeel Shade™48°

WindS 7 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts8 mph

Humidity80%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling4600 ft

1 PM

52°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™44°

WindSSW 16 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts21 mph

Humidity75%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling6000 ft

2 PM

53°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™46°

WindS 16 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts18 mph

Humidity72%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling6300 ft

3 PM

52°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 37%
Chevron down
Cloudy

RealFeel Shade™44°

WindSSE 15 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts18 mph

Humidity76%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling6700 ft

4 PM

51°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 40%
Chevron down
Showers

RealFeel Shade™41°

WindSE 15 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts29 mph

Humidity77%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility10 mi

Cloud Ceiling7000 ft

5 PM

50°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 37%
Chevron down
Cloudy

WindSE 15 mph

Air QualityPoor

Wind Gusts28 mph

Humidity80%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling5900 ft

6 PM

48°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 39%
Chevron down
Cloudy

WindSE 14 mph

Air QualityPoor

Wind Gusts27 mph

Humidity83%

Indoor Humidity41% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling4800 ft

7 PM

47°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSE 5 mph

Air QualityPoor

Wind Gusts9 mph

Humidity86%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling3700 ft

8 PM

47°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 58%
Chevron down
Showers

WindSE 5 mph

Air QualityPoor

Wind Gusts9 mph

Humidity84%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.02 in

Visibility9 mi

Cloud Ceiling3100 ft

9 PM

47°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 58%
Chevron down
Showers

WindSE 5 mph

Air QualityPoor

Wind Gusts9 mph

Humidity82%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Rain0.02 in

Visibility7 mi

Cloud Ceiling2500 ft

10 PM

46°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

WindSE 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity83%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling2000 ft

11 PM

46°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

WindSE 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity85%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling1700 ft

Further Ahead

Tomorrow

Monday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

More wintry trouble ahead for Upper Midwest, interior Northeast

2 hours ago

Winter Weather

Early 2026 rain, mountain snow to expand in California and western US

1 hour ago

Winter Weather

80 inches of snow in Juneau, Alaska smashes record, sinks boats

2 days ago

Weather Forecasts

After a frigid December, a warmup awaits the Midwest and Northeast

4 hours ago

Winter Weather

Storm to quench southeast US, with a wintry twist for Virginia

1 hour ago

More Stories

Featured Stories

Weather News

Suspected mountain lion attack in Colorado leaves woman dead

23 hours ago

Astronomy

1st meteor shower of 2026 to peak this weekend

21 hours ago

Travel

Ocean Infinity resumes search for Malaysia Airlines Flight 370

22 hours ago

Astronomy

Top rocket launches of 2025 you had to see to believe

2 days ago

Astronomy

Full moons and supermoons in 2026: Every date to know

1 day ago

World North America United States Washington SeaTac

Weather Near SeaTac:

  • Bellevue, WA
  • Seattle, WA
  • Tacoma, WA
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...