Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Taste of fall is coming to the Northeast, Midwest. Click for the temp forecast. Chevron right

SeaTac, WA

78°F
Location Chevron down
Location News Videos
Use Current Location
Recent

SeaTac

Washington

78°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
SeaTac, WA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Tuesday, August 18

Day

8/18
79°Hi
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel Shade™ 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Mostly sunny

Max UV Index6.0 (High)

AccuLumen Brightness Index™9 (Very Bright)

WindSW 6 mph

Wind Gusts14 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover18%

Morning

Afternoon

Night

8/18
56°Lo
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Increasing amounts of clouds

WindSW 7 mph

Wind Gusts13 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover44%

Evening

Overnight

Sun & Moon

14 hrs 07 mins
Rise 6:09 AM
Set 8:16 PM
Waxing Crescent
Rise 1:26 PM
Set 10:24 PM

Temperature History

8/18
High
Low
Forecast
79°
56°
Average
78°
57°
Last Year
75°
58°
Record
88°
1991
47°
1951

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Lala leaves Hawaii communities buried in mud, communication cut off

9 hours ago

Climate

Lake Powell sinks to record low as Colorado River crisis deepens

8 hours ago

Recreation

New Hampshire can bill hikers for mountain rescues

12 hours ago

Weather News

New heat dome to build in western U.S., further exacerbating drought

7 hours ago

Severe Weather

Severe storms to continue to prowl Plains, Midwest and East this week

1 hour ago

 More Stories

Featured Stories

Recreation

American tourist dies after lightning strike on Mount Etna

8 hours ago

Climate

Warmer ocean waters draw more sharks to Southern California

6 hours ago

Travel

Engine fan blade caused passenger to be partially sucked out window

8 hours ago

Travel

Mount Etna eruptions cause major flight disruptions in Sicily

1 day ago

Weather News

American Airlines flight blows tires on landing at Chicago O'Hare

10 hours 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 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 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

...

...

...