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.

Partly Cloudy

65°F

18°C

Humidity 84%
Wind Speed Calm
Barometer 29.96 in (1014.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 23 Jun 8:52 pm EDT
Extended Forecast for

4 Miles NNW Haymarket VA

  • Tonight

    Tonight: Mostly clear, with a low around 60. Northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Northwest wind 5 to 8 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68. South wind around 7 mph.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 80%.

    Low: 70 °F

    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 81. Northwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 60. Calm wind.
Thursday
Sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 68. South wind around 7 mph.
Friday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Haymarket VA
 38.86°N 77.66°W (Elev. 469 ft)
Last Update:
7:53 pm EDT Jun 23, 2026
Forecast Valid:
9pm EDT Jun 23, 2026-6pm EDT Jun 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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