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

54°F

12°C

Humidity 72%
Wind Speed Vrbl 6 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 12 May 9:52 pm EDT
Extended Forecast for

Fairfax VA

  • Tonight

    Tonight: Mostly clear, with a low around 48. Light and variable wind.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. South wind 3 to 8 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 58. South wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 71. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 62. South wind 7 to 9 mph. Chance of precipitation is 90%.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Light and variable wind.
Monday
Sunny, with a high near 75. South wind 3 to 8 mph.
Monday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 58. South wind 7 to 9 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 71. South wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 62. South wind 7 to 9 mph. Chance of precipitation is 90%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 69. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 60. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.29°W (Elev. 400 ft)
Last Update:
7:34 pm EDT May 12, 2024
Forecast Valid:
10pm EDT May 12, 2024-6pm EDT May 19, 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