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

59°F

15°C

Humidity 62%
Wind Speed NW 5 mph
Barometer 30.15 in (1020.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 11 Apr 2:52 am EDT
Extended Forecast for

Fairfax VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. Northwest wind around 6 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 69. North wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. North wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74. East wind 6 to 11 mph becoming south in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59. Southeast wind around 10 mph.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86. Breezy.

    High: 86 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. Northwest wind around 6 mph.
Saturday
Sunny, with a high near 69. North wind 11 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 47. North wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 74. East wind 6 to 11 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 59. Southeast wind around 10 mph.
Monday
Partly sunny, with a high near 86. Breezy.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
Partly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.32°W (Elev. 413 ft)
Last Update:
2:23 am EDT Apr 11, 2026
Forecast Valid:
3am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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