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.

A Few Clouds

70°F

21°C

Humidity 39%
Wind Speed N 13 G 23 mph
Barometer 29.89 in (1011.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 19 May 7:52 pm EDT
Extended Forecast for

3 Miles W Fairfax VA

  • Tonight

    Tonight: Mostly clear, with a low around 50. North wind 7 to 9 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 71. North wind around 6 mph.

    High: 71 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Showers, mainly after 2am. Low around 55. Calm wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers. High near 60. Southeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 53. East wind 5 to 9 mph. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Mostly sunny, with a high near 65. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 50. North wind 7 to 9 mph.
Tuesday
Increasing clouds, with a high near 71. North wind around 6 mph.
Tuesday Night
Showers, mainly after 2am. Low around 55. Calm wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers. High near 60. Southeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 53. East wind 5 to 9 mph. Chance of precipitation is 80%.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly sunny, with a high near 65. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 53.
Memorial Day
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Fairfax VA
 38.85°N 77.35°W (Elev. 400 ft)
Last Update:
7:30 pm EDT May 19, 2025
Forecast Valid:
8pm EDT May 19, 2025-6pm EDT May 26, 2025
 
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