National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy and Windy

40°F

4°C

Humidity 36%
Wind Speed W 26 G 43 mph
Barometer 29.62 in (1003.2 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 29 Dec 4:52 pm EST
Extended Forecast for

5 Miles NW Catharpin VA

Wind Advisory December 29, 05:52pm until December 30, 01:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 29, 05:52pm until December 30, 01:00am

    NOW until 1:00am Tue

    Wind Advisory

  • Tonight

    Low: 25 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 35. Breezy, with a west wind 18 to 24 mph, with gusts as high as 37 mph.

    High: 35 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 23. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 42. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 25. West wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: A slight chance of snow showers before 1pm. Mostly sunny, with a high near 34. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Windy, with a west wind 23 to 26 mph, with gusts as high as 47 mph.
Tuesday
Sunny, with a high near 35. Breezy, with a west wind 18 to 24 mph, with gusts as high as 37 mph.
Tuesday Night
Increasing clouds, with a low around 23. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 42. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 25. West wind 6 to 8 mph. Chance of precipitation is 20%.
New Year's Day
A slight chance of snow showers before 1pm. Mostly sunny, with a high near 34. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Catharpin VA
 38.9°N 77.62°W (Elev. 348 ft)
Last Update:
5:10 pm EST Dec 29, 2025
Forecast Valid:
5pm EST Dec 29, 2025-6pm EST Jan 5, 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