National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

46°F

8°C

Humidity 73%
Wind Speed Calm
Barometer 30.09 in (1018.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 7 Apr 12:52 am EDT
Extended Forecast for

Chantilly VA

Freeze Watch April 8, 12:00am until April 8, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Overnight

    Overnight: Mostly clear, with a low around 41. Calm wind becoming northwest around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. Breezy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 53 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Areas of frost after midnight. Otherwise, mostly clear, with a low around 31. North wind 5 to 13 mph.

    Low: 31 °F

    Mostly Clear
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 9am. Otherwise, sunny, with a high near 55. Northeast wind around 8 mph becoming southeast in the afternoon.

    High: 55 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. Southeast wind 3 to 7 mph.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 41. Calm wind becoming northwest around 5 mph.
Tuesday
Sunny, with a high near 53. Breezy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph.
Tuesday Night
Areas of frost after midnight. Otherwise, mostly clear, with a low around 31. North wind 5 to 13 mph.
Wednesday
Areas of frost before 9am. Otherwise, sunny, with a high near 55. Northeast wind around 8 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 35. Southeast wind 3 to 7 mph.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chantilly VA
 38.88°N 77.43°W (Elev. 299 ft)
Last Update:
10:54 pm EDT Apr 6, 2026
Forecast Valid:
1am EDT Apr 7, 2026-6pm EDT Apr 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation