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.

Light Rain

74°F

23°C

Humidity 97%
Wind Speed NW 5 mph
Barometer 29.85 in (1010.3 mb)
Dewpoint 73°F (23°C)
Visibility 8.00 mi
Last update 29 Jul 1:52 am EDT
Extended Forecast for

Vienna VA

  • Overnight

    Overnight: Showers and possibly a thunderstorm.  Patchy fog after 3am. Low around 72. North wind 5 to 7 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers and
    Patchy Fog

    Low: 72 °F

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am.  Mostly cloudy, with a high near 86. North wind 5 to 9 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    Chance
    T-storms

    High: 86 °F

  • Friday
    Night

    Friday Night: A slight chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms after 3am.  Mostly cloudy, with a low around 72. North wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Slight Chance
    T-storms then
    Chance
    Showers

    Low: 72 °F

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 3pm.  Mostly cloudy, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    Showers then
    T-storms
    Likely

    High: 85 °F

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely.  Cloudy, with a low around 72. Southeast wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 70%.

    T-storms
    Likely

    Low: 72 °F

  • Sunday

    Sunday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 87. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 87 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely, mainly before 9pm.  Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 71 °F

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 88. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 88 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 71 °F

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Patchy fog after 3am. Low around 72. North wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 86. North wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 72. North wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 85. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely. Cloudy, with a low around 72. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 89.
Click Map For Forecast
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
1:28 am EDT Jul 29, 2016
2am EDT Jul 29, 2016-6pm EDT Aug 4, 2016
 
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Additional Resources

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Hourly Weather Forecast

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