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.

Overcast

41°F

5°C

Humidity 62%
Wind Speed S 6 mph
Barometer 30.36 in (1028.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 25 Mar 2:52 am EDT
Extended Forecast for

5 Miles NW Catharpin VA

  • Overnight

    Overnight: Partly cloudy, with a low around 35. South wind around 6 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 59. South wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain after 2pm. Partly sunny, with a high near 73. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 73 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 54. Southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 54 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Rain Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. South wind around 6 mph.
Wednesday
Partly sunny, with a high near 59. South wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 48. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
A slight chance of rain after 2pm. Partly sunny, with a high near 73. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 54. Southwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 73.
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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:
2:24 am EDT Mar 25, 2026
Forecast Valid:
3am EDT Mar 25, 2026-6pm EDT Mar 31, 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