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

78°F

26°C

Humidity 76%
Wind Speed N 8 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 5 Sep 9:52 am EDT
Extended Forecast for

3 Miles W Fairfax VA

  • Today

    Today: Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. North wind around 6 mph. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Calm wind becoming northeast around 5 mph after midnight.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. North wind around 7 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Light east wind.

    Low: 60 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84.

    High: 84 °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 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. North wind around 6 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 65. Calm wind becoming northeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 81. North wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 60. Light east wind.
Labor Day
Mostly sunny, with a high near 82. Light and variable wind.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
A slight chance of showers. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
Friday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Fairfax VA
 38.85°N 77.35°W (Elev. 400 ft)
Last Update:
10:09 am EDT Sep 5, 2026
Forecast Valid:
10am EDT Sep 5, 2026-6pm EDT Sep 11, 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