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.

Fair

33°F

1°C

Humidity 56%
Wind Speed NW 12 G 16 mph
Barometer 30.27 in (1025.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 12 Jan 2:52 am EST
Extended Forecast for

5 Miles NNW Haymarket VA

  • Overnight

    Overnight: Partly cloudy, with a low around 30. Northwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 6 to 9 mph becoming south in the afternoon.

    High: 47 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Southwest wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. Light southwest wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.

    High: 39 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. Northwest wind around 10 mph, with gusts as high as 21 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 47. Northwest wind 6 to 9 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 29. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 50. Light southwest wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 22.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Haymarket VA
 38.89°N 77.66°W (Elev. 407 ft)
Last Update:
12:53 am EST Jan 12, 2026
Forecast Valid:
3am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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