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

28°F

-2°C

Humidity 75%
Wind Speed S 3 mph
Barometer 30.15 in (1021.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 13 Mar 1:52 am EDT
Extended Forecast for

Fairfax VA

  • Overnight

    Overnight: Mostly clear, with a low around 31. Light west wind.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 54. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 54 °F

    Mostly Sunny
    then
    Decreasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South wind 10 to 17 mph, with gusts as high as 29 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57. West wind around 10 mph, with gusts as high as 20 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. East wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Rain

  • Monday

    Monday: Rain. High near 70. Breezy. Chance of precipitation is 100%.

    High: 70 °F

    Breezy. Rain
    Likely then
    Rain

  • Monday Night

    Monday Night: Rain, mainly before 2am. Low around 32. Breezy. Chance of precipitation is 80%.

    Low: 32 °F

    Rain and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 31. Light west wind.
Friday
Increasing clouds, with a high near 54. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 39 mph.
Friday Night
Mostly clear, with a low around 40. South wind 10 to 17 mph, with gusts as high as 29 mph.
Saturday
Mostly sunny, with a high near 57. West wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 41. East wind around 6 mph.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
Rain. Low around 52. Chance of precipitation is 90%.
Monday
Rain. High near 70. Breezy. Chance of precipitation is 100%.
Monday Night
Rain, mainly before 2am. Low around 32. Breezy. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly cloudy, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.32°W (Elev. 413 ft)
Last Update:
1:53 am EDT Mar 13, 2026
Forecast Valid:
2am EDT Mar 13, 2026-6pm EDT Mar 19, 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