Preview of NWS' New Version of Forecast
This preview is not operational and should not be used for support decisions.
 
Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°N Lon: 77.45°W Elev: 312ft.

Mostly Cloudy

91°F

33°C

Humidity 49%
Wind Speed S at 10 mph (17 kph)
Barometer 29.88 inHg (1011.9 hPa)
Dewpoint 69°F (21°C)
Visibility 10 mi (16.09 km)
Heat Index 96°F (36°C)
Last update Aug 21 2019, 3:52 PM EDT
Extended Forecast for

Fairfax VA

  • This Afternoon

    Scattered Showers And Thunderstorms

    91°F

    Scattered Showers And Thunderstorms

  • Tonight

    Chance Showers And Thunderstorms then Partly Cloudy

    73°F

    Chance Showers And Thunderstorms then Partly Cloudy

  • Thursday

    Mostly Sunny then Scattered Showers And Thunderstorms

    91°F

    Mostly Sunny then Scattered Showers And Thunderstorms

  • Thursday Night

    Scattered Showers And Thunderstorms

    70°F

    Scattered Showers And Thunderstorms

  • Friday

    Chance Showers And Thunderstorms

    81°F

    Chance Showers And Thunderstorms

  • Friday Night

    Chance Showers And Thunderstorms

    64°F

    Chance Showers And Thunderstorms

  • Saturday

    Chance Showers And Thunderstorms then Mostly Sunny

    81°F

    Chance Showers And Thunderstorms then Mostly Sunny

  • Saturday Night

    Partly Cloudy

    62°F

    Partly Cloudy

  • Sunday

    Slight Chance Rain Showers

    81°F

    Slight Chance Rain Showers

This Afternoon
Scattered showers and thunderstorms. Some of the storms could be severe and produce large hail and damaging winds. Partly sunny, with a high near 91. Southwest wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Tonight
A chance of showers and thunderstorms before 11pm. Some of the storms could be severe and produce large hail and damaging winds. Partly cloudy, with a low around 73. Southwest wind 2 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. West wind 3 to 8 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West wind 3 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. North wind around 7 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A slight chance of rain showers after 8am. Mostly sunny, with a high near 81.
Sunday Night
A slight chance of rain showers. Partly cloudy, with a low around 64.
Monday
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
A chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Point Forecast:
Fairfax VA
38.85°N 77.3°W (400 ft)
4:33 PM EDT Aug 21, 2019
10:00 AM EDT Aug 21, 2019 thru
9:00 PM EDT Aug 28, 2019