Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
A May heat wave will complete the spring weather whiplash in the East. Click for details. Chevron right
Severe thunderstorms, some with tornadoes will prowl the Central states. Click to see where, when. Chevron right

McLean, VA

66°F
Location Chevron down
Location News Videos
Use Current Location
Recent

McLean

Virginia

66°
No results found.
Try searching for a city, zip code or point of interest.
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
McLean, VA 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

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

May 17 - May 31

Sun 5/17

92° /64°
25%
Hot with times of clouds and sun; possible danger of dehydration and heatstroke while doing strenuous activities

RealFeel®96°

RealFeel Shade™90°

Max UV Index7.0 (High)

WindW 6 mph

Mon 5/18

99° /71°
12%
Very hot with sunshine and a few clouds; danger of dehydration and heatstroke if outside for extended periods of time

RealFeel®103°

RealFeel Shade™97°

Max UV Index10.0 (Very High)

WindSSW 7 mph

Tue 5/19

97° /73°
14%
Mostly sunny and very hot

RealFeel®99°

RealFeel Shade™94°

Max UV Index10.0 (Very High)

WindSW 9 mph

Wed 5/20

91° /60°
55%
Partly sunny and hot; an afternoon thunderstorm; thunderstorms can bring localized damaging wind gusts

RealFeel®96°

RealFeel Shade™88°

Max UV Index10.0 (Very High)

WindWSW 9 mph

Hours of Precipitation0.5

Hours of Rain0.5

Thu 5/21

67° /51°
90%
A couple of showers in the morning; otherwise, considerable cloudiness and cooler

RealFeel®68°

RealFeel Shade™64°

Max UV Index3.0 (Moderate)

WindNNE 8 mph

Hours of Precipitation2

Hours of Rain2

Fri 5/22

63° /52°
25%
Cloudy and cool

RealFeel®65°

RealFeel Shade™61°

Max UV Index3.0 (Moderate)

WindE 8 mph

Sat 5/23

69° /55°
30%
Times of clouds and sun with a couple of showers possible

RealFeel®73°

RealFeel Shade™67°

Max UV Index5.0 (Moderate)

WindESE 5 mph

Sun 5/24

73° /60°
25%
Times of clouds and sun

RealFeel®73°

RealFeel Shade™71°

Max UV Index5.0 (Moderate)

WindESE 7 mph

Mon 5/25

74° /59°
30%
Times of clouds and sun with a shower possible; humid

RealFeel®79°

RealFeel Shade™79°

Max UV Index5.0 (Moderate)

WindS 6 mph

Tue 5/26

80° /61°
0%
Plenty of sunshine

RealFeel®85°

RealFeel Shade™78°

Max UV Index11.0 (Extreme)

WindNW 6 mph

Wed 5/27

79° /60°
0%
Plenty of sunshine

RealFeel®89°

RealFeel Shade™78°

Max UV Index11.0 (Extreme)

WindN 2 mph

Thu 5/28

82° /62°
0%
Plenty of sunshine

RealFeel®90°

RealFeel Shade™81°

Max UV Index11.0 (Extreme)

WindWNW 2 mph

Fri 5/29

81° /57°
56%
A couple of morning showers; otherwise, cloudy

RealFeel®80°

RealFeel Shade™80°

Max UV Index3.0 (Moderate)

WindSE 7 mph

Hours of Precipitation1

Hours of Rain1

Sat 5/30

82° /63°
61%
Humid with intervals of clouds and sunshine; a couple of showers and a thunderstorm in the afternoon

RealFeel®97°

RealFeel Shade™89°

Max UV Index11.0 (Extreme)

WindW 2 mph

Hours of Precipitation1

Hours of Rain1

Sun 5/31

81° /62°
25%
Humid with intervals of clouds and sunshine

RealFeel®83°

RealFeel Shade™80°

Max UV Index4.0 (Moderate)

WindWNW 8 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Climate

Super El Niño could strain food and water supplies around the world

2 days ago

Severe Weather

High-risk severe weather setup to focus on Plains, Midwest into Monday

3 hours ago

Weather Forecasts

Heat wave to complete spring weather whiplash, worsen drought in East

9 hours ago

Severe Weather

Deadly storms, flooding rain kill at least 96 in India

1 day ago

Winter Weather

Winter to return to Colorado, Wyoming with more May mountain snow

9 hours ago

 More Stories

Featured Stories

Hurricane

El Nino to fuel Pacific hurricane season, raise risks for California

1 day ago

Health

Wet spring, more mice? The weather link behind rare hantavirus risk

2 days ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

2 days ago

Weather News

Here's how New York residents can get free A/C this summer

3 days ago

Recreation

Brain-eating amoeba found in hot springs at 3 National Parks: study

4 days ago
World North America United States Virginia McLean

Weather Near McLean:

  • Alexandria, VA
  • Germantown, MD
  • Washington, DC
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

...

...

...