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.

Mostly Cloudy

69°F

21°C

Humidity 78%
Wind Speed N 13 G 23 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 23 Jun 3:52 pm EDT
Extended Forecast for

Sterling VA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms before 5pm. Mostly cloudy, with a high near 71. North wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 60. Northwest wind 3 to 7 mph.

    Low: 60 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 81. Northwest wind around 7 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 5pm. Mostly cloudy, with a high near 71. North wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 60. Northwest wind 3 to 7 mph.
Wednesday
Sunny, with a high near 81. Northwest wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 60. Calm wind.
Thursday
Mostly sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 67.
Monday
Mostly sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sterling VA
 38.97°N 77.41°W (Elev. 348 ft)
Last Update:
2:23 pm EDT Jun 23, 2026
Forecast Valid:
4pm EDT Jun 23, 2026-6pm EDT Jun 30, 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