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

71°F

22°C

Humidity 66%
Wind Speed Calm
Barometer 29.97 in (1014.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 May 1:52 pm EDT
Extended Forecast for

Fairfax VASimilar City Names

  • This Afternoon

    This Afternoon: Cloudy, with a high near 75. Southeast wind around 6 mph.

    High: 75 °F

    Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers after 2am. Low around 58. Southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers. High near 62. East wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 2am. Cloudy, with a low around 57. East wind around 8 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 72. Northeast wind around 9 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 75. Southeast wind around 6 mph.
Tonight
A chance of showers and thunderstorms, then showers after 2am. Low around 58. Southeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers. High near 62. East wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A chance of showers, mainly before 2am. Cloudy, with a low around 57. East wind around 8 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 72. Northeast wind around 9 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VASimilar City Names
 38.85°N 77.29°W (Elev. 400 ft)
Last Update:
1:30 pm EDT May 17, 2024
Forecast Valid:
2pm EDT May 17, 2024-6pm EDT May 23, 2024
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation