ICYMI: AccuWeather’s fall forecast is here with a complete region-by-region breakdown. Get the details. Chevron right

Ashburn, VA

90° F
Location Chevron down
Location News Videos
Use Current Location
Recent

Ashburn

Virginia

90°
No results found.
Try searching for a city, zip code or point of interest.
settings
Ashburn, VA 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

Video

Podcasts

Winter Center
Watch now

What is a heat dome?

June 29, 2022

Copied

A heat dome is an area of high pressure high in the atmosphere that strengthens and becomes stagnant. RealFeel® Temperatures can climb well into the triple digits in a heat dome.

Trending Now

 field coverage Expert Forecasts AccuWeather Ready Space Animals Health Science AccuSports Global
NOW PLAYING
0:59
Icelandic volcano continues to erupt
NOW PLAYING
0:31
Northern California wildfires continue to burn
NOW PLAYING
0:45
Thunderstorms over Kentucky
NOW PLAYING
1:01
Dozens injured after lightning strikes Cuban fuel depot
NOW PLAYING
0:29
Intense rain lashes Northeast New Jersey
NOW PLAYING
0:45
Firefighters battle Miller Road Fire
NOW PLAYING
1:14
Why storms are so dangerous in wildfire zones
NOW PLAYING
0:32
Floodwater rushes through the Mojave Desert
NOW PLAYING
0:32
Another day of thunderstorms up and down the East Coast
NOW PLAYING
2:11
Multiple weather challenges make the fight against the McKinney Fire difficult
NOW PLAYING
2:01
Robots team up to help gather hurricane data in Atlantic Ocean
NOW PLAYING
0:22
Waterspout spirals near island in Maryland
NOW PLAYING
0:32
Torrential rain sends flooding throughout Death Valley
NOW PLAYING
1:15
Higher temperatures leading to more female sea turtles
NOW PLAYING
1:34
Heat and humidity in store for many sports events this weekend
NOW PLAYING
1:02
Peak of the Perseids contested by the moon on Aug. 11-12
NOW PLAYING
0:20
Double rainbow arches over Ohio horse stable
NOW PLAYING
6:10
What to look for in the night sky this August
NOW PLAYING
0:53
Agriculture and drinking water at risk as Italy’s Po River shrinks
NOW PLAYING
0:30
Lightning strike kills elderly couple in Washington, D.C.
NOW PLAYING
1:48
Family struck by lightning recovers
NOW PLAYING
0:47
Waterspout leaves Maryland home in pieces
NOW PLAYING
0:23
Massive waterspout tears through home
NOW PLAYING
1:09
Rocket launches carrying South Korean lunar orbiter
NOW PLAYING
1:59
Community reunites one year after horrific wildfire
NOW PLAYING
0:46
Spectacular hand-painted tunnel in China transports you through all 4 seasons
NOW PLAYING
1:03
Severe storms drench the Northeast
NOW PLAYING
1:10
An interstellar object crash landed in 2014 just revealed by U.S. Space Command
NOW PLAYING
1:04
Wildfire destroys homes in Washington
NOW PLAYING
1:16
Oldest galaxy ever discovered in latest images from James Webb Space Telescope
NOW PLAYING
2:00
Blue Origin sends first Egyptian and Portuguese nationals to space
NOW PLAYING
2:15
Citizen scientists kayak, canoe and paddle to help monitor New Jersey shoreline
NOW PLAYING
1:28
'It's a monster': California wildfire evacuees recount their escape
NOW PLAYING
7:09
Taking on the daunting task of swimming across Lake Erie
NOW PLAYING
1:48
One year after devastating wildfire in Greenville, residents reunite
NOW PLAYING
1:21
Your Friday sports forecast for Aug. 4
NOW PLAYING
0:59
Moose Fire continues to grow
NOW PLAYING
0:26
Elephants chill in pool during Texas heat wave
NOW PLAYING
0:46
Calf saved near McKinney Fire
NOW PLAYING
1:37
Lava spews from volcano in Iceland, attracting visitors
NOW PLAYING
2:01
Why historic storms are happening more often
NOW PLAYING
1:58
AccuWeather's 2022 fall forecast
NOW PLAYING
7:27
Working to make marine biology accessible to all
NOW PLAYING
2:33
Clumsy elephant falls into manhole while walking through family's garden
NOW PLAYING
0:54
Onlooker watches as fishing crew falls overboard after ignoring weather warnings
NOW PLAYING
0:40
Enormous sinkhole opens up in northern Chile
NOW PLAYING
0:31
Thunderstorms soak the Upper Midwest
NOW PLAYING
1:18
Parts of Australia’s Great Barrier Reef is doing better than it has in decades
NOW PLAYING
0:21
Rapid mudflow carries trees downstream
NOW PLAYING
2:00
Aerial footage shows huge areas of burnt forests in France
Show More Show Less Chevron down
World North America United States Virginia Ashburn
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs Podcast RealFeel® and RealFeel Shade™
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Shop AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Weather Blogs Winter Weather
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs Podcast RealFeel® and RealFeel Shade™
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Shop AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Weather Blogs Winter Weather
© 2021 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | TAG Disclosure | Do Not Sell My Data checkmark Confirmed Not Selling Your Data