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

52°F

11°C

Humidity 61%
Wind Speed Calm
Barometer 30.35 in (1027.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Apr 10:52 pm EDT
Extended Forecast for

5 Miles NW Catharpin VA

  • Tonight

    Tonight: Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73. East wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58. South wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 2pm and 3pm. Partly sunny, with a high near 83. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 61. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 45. Calm wind.
Sunday
Mostly sunny, with a high near 73. East wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 58. South wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
A slight chance of showers between 2pm and 3pm. Partly sunny, with a high near 83. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 61. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
Partly sunny, with a high near 92.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 30%.
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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:
10:53 pm EDT Apr 11, 2026
Forecast Valid:
11pm EDT Apr 11, 2026-6pm EDT Apr 18, 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