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.

Fog/Mist

51°F

11°C

Humidity 96%
Wind Speed Calm
Barometer 30.18 in (1022.0 mb)
Dewpoint 50°F (10°C)
Visibility 5.00 mi
Last update 6 Mar 12:52 am EST
Extended Forecast for

Reston VA

  • Overnight

    Overnight: A slight chance of showers before 3am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. East wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers, mainly after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. East wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 54 °F

    Patchy Fog
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before 9pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45. East wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers after 1pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 73. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    High: 73 °F

    Areas Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 61. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers before 3am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 47. East wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. East wind 5 to 8 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers, mainly before 9pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45. East wind 5 to 8 mph. Chance of precipitation is 30%.
Saturday
A chance of showers after 1pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 73. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 61. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.97°N 77.36°W (Elev. 430 ft)
Last Update:
12:53 am EST Mar 6, 2026
Forecast Valid:
1am EST Mar 6, 2026-6pm EDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation