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.

Mostly Cloudy

75°F

24°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 29.85 in (1010.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 17 Aug 8:52 pm EDT
Extended Forecast for

4 Miles E The Plains VA

  • Tonight

    Tonight: Isolated showers and thunderstorms before 10pm. Cloudy early, then gradual clearing, with a low around 71. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. North wind around 7 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Light northwest wind.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 10pm. Cloudy early, then gradual clearing, with a low around 71. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 84. North wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 66. Light northwest wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
Sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E The Plains VA
 38.87°N 77.69°W (Elev. 682 ft)
Last Update:
7:53 pm EDT Aug 17, 2026
Forecast Valid:
9pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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