Heavy rain for portions of the Mid-Atlantic and New England through Saturday

A slow-moving weather system in the eastern U.S. will focus showers and thunderstorms across portions of New England and the Mid-Atlantic through Saturday. Abundant moisture will allow occasionally heavy rainfall and flash flooding in these locations. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

88°F

31°C

Humidity 48%
Wind Speed Vrbl 5 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 29 Jul 4:52 pm EDT
Extended Forecast for

Fairfax VASimilar City Names

  • Tonight

    Tonight: A chance of showers, mainly after 2am.  Mostly cloudy, with a low around 72. Light and variable wind becoming northeast around 5 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 72 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am.  High near 85. Calm wind becoming southeast 5 to 7 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers
    Likely then
    T-storms

    High: 85 °F

  • Saturday
    Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am.  Patchy fog after 2am. Low around 71. Southeast wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    T-storms and
    Patchy Fog

    Low: 71 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 87. Light and variable wind becoming north around 5 mph.  Chance of precipitation is 40%.

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

    High: 87 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Light and variable wind.  Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 72 °F

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 89. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 89 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 70.

    Partly Cloudy

    Low: 70 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    Mostly Sunny

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 70.

    Partly Cloudy

    Low: 70 °F

Detailed Forecast

Tonight
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 72. Light and variable wind becoming northeast around 5 mph. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. High near 85. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Patchy fog after 2am. Low around 71. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A chance of showers and thunderstorms. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 87. Light and variable wind becoming north around 5 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Mostly sunny, with a high near 90.
Click Map For Forecast
Point Forecast:
Fairfax VASimilar City Names
 38.85°N 77.29°W (Elev. 400 ft)
4:27 pm EDT Jul 29, 2016
5pm EDT Jul 29, 2016-6pm EDT Aug 5, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database