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

67°F

19°C

Humidity 84%
Wind Speed Vrbl 5 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 5 May 3:52 pm EDT
Extended Forecast for

Dulles VA

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before midnight. Patchy fog after 11pm. Otherwise, cloudy, with a low around 63. South wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Scattered
    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, cloudy, with a high near 81. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Areas Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Patchy fog before 1am, then patchy fog after 2am. Otherwise, cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 81. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 65. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers after 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before midnight. Patchy fog after 11pm. Otherwise, cloudy, with a low around 63. South wind 5 to 8 mph. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms after 2pm. Areas of fog before 10am. Otherwise, cloudy, with a high near 81. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Patchy fog before 1am, then patchy fog after 2am. Otherwise, cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 81. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 65. Southwest wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Wednesday Night
A chance of showers after 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 50%.
Thursday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 60. Chance of precipitation is 80%.
Friday
A chance of showers after 8am. Partly sunny, with a high near 72. Chance of precipitation is 50%.
Friday Night
A chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Dulles VA
 38.92°N 77.34°W (Elev. 358 ft)
Last Update:
4:32 pm EDT May 5, 2024
Forecast Valid:
4pm EDT May 5, 2024-6pm EDT May 12, 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