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.

Mostly Cloudy

58°F

14°C

Humidity 36%
Wind Speed NW 10 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 6 Apr 6:52 pm EDT
Extended Forecast for

Catharpin VA

Freeze Watch April 8, 12:00am until April 8, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northwest wind 5 to 10 mph becoming light north. Winds could gust as high as 18 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 53. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after midnight. Otherwise, mostly clear, with a low around 29. North wind 5 to 7 mph.

    Low: 29 °F

    Mostly Clear
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 9am. Otherwise, sunny, with a high near 55. Northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 55 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33. Southeast wind 3 to 6 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Northwest wind 5 to 10 mph becoming light north. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 53. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Areas of frost after midnight. Otherwise, mostly clear, with a low around 29. North wind 5 to 7 mph.
Wednesday
Areas of frost before 9am. Otherwise, sunny, with a high near 55. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 33. Southeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.86°N 77.58°W (Elev. 295 ft)
Last Update:
4:53 pm EDT Apr 6, 2026
Forecast Valid:
7pm EDT Apr 6, 2026-6pm EDT Apr 13, 2026
 
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