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

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

16°C

61°F

Humidity 93%
Wind Speed Calm
Barometer 1015.0 mb (29.98 in)
Dewpoint 15°C (59°F)
Visibility 11 km
Last update 19 May 12:52 am EDT
Extended Forecast for

3 Miles ESE Chantilly VA

  • Overnight

    Overnight: Isolated showers after 2am. Patchy fog. Otherwise, cloudy, with a low around 14. Calm wind. Chance of precipitation is 20%.

    Low: 14 °C

    Isolated
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Isolated showers before 8am, then isolated showers after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 23. Calm wind becoming north 5 to 10 km/h in the afternoon. Chance of precipitation is 20%.

    High: 23 °C

    Patchy Fog
    then Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 14. Calm wind. Chance of precipitation is 20%.

    Low: 14 °C

    Isolated
    Showers then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 24. East wind 5 to 10 km/h.

    High: 24 °C

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. Southeast wind 5 to 8 km/h.

    Low: 13 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 27.

    High: 27 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16.

    Low: 16 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 30.

    High: 30 °C

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °C

    Chance
    T-storms

Detailed Forecast

Overnight
Isolated showers after 2am. Patchy fog. Otherwise, cloudy, with a low around 14. Calm wind. Chance of precipitation is 20%.
Sunday
Isolated showers before 8am, then isolated showers after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 23. Calm wind becoming north 5 to 10 km/h in the afternoon. Chance of precipitation is 20%.
Sunday Night
Isolated showers before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 14. Calm wind. Chance of precipitation is 20%.
Monday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 24. East wind 5 to 10 km/h.
Monday Night
Mostly clear, with a low around 13. Southeast wind 5 to 8 km/h.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly clear, with a low around 16.
Wednesday
Sunny, with a high near 30.
Wednesday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 19. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 29. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 26. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 23. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Chantilly VA
 38.85°N 77.35°W (Elev. 400 m)
Last Update:
10:29 pm EDT May 18, 2024
Forecast Valid:
1am EDT May 19, 2024-6pm EDT May 25, 2024
 
Forecast Discussion
 
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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