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.

Fog/Mist

58°F

14°C

Humidity 93%
Wind Speed NW 8 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 56°F (13°C)
Visibility 6.00 mi
Last update 16 May 5:52 am EDT
Extended Forecast for

Fairfax VA

  • Today

    Today: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 76. North wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Northeast wind 3 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers after 2pm. Partly sunny, with a high near 74. Northeast wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 20%.

    High: 74 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 59. Southeast wind 7 to 9 mph. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 64. East wind around 8 mph. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 76. North wind 7 to 13 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 57. Northeast wind 3 to 7 mph.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 74. Northeast wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 59. Southeast wind 7 to 9 mph. Chance of precipitation is 50%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 64. East wind around 8 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 56. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Click Map For Forecast
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.29°W (Elev. 400 ft)
Last Update:
4:31 am EDT May 16, 2024
Forecast Valid:
6am EDT May 16, 2024-6pm EDT May 22, 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