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 Clear

84°F

29°C

Humidity 61%
Wind Speed 3 mph (5 kph)
Barometer 30.02 inHg (1016.6 hPa)
Dewpoint 69°F (21°C)
Visibility 10 mi (16.09 km)
Heat Index 88°F (31°C)
Last update Aug 19 2019, 9:52 AM EDT
Extended Forecast for

Fairfax VA

  • Today

    Mostly Sunny then Isolated Showers And Thunderstorms

    95°F

    Mostly Sunny then Isolated Showers And Thunderstorms

  • Tonight

    Scattered Showers And Thunderstorms then Patchy Fog

    75°F

    Scattered Showers And Thunderstorms then Patchy Fog

  • Tuesday

    Patchy Fog then Chance Showers And Thunderstorms

    94°F

    Patchy Fog then Chance Showers And Thunderstorms

  • Tuesday Night

    Chance Showers And Thunderstorms

    73°F

    Chance Showers And Thunderstorms

  • Wednesday

    Chance Showers And Thunderstorms

    93°F

    Chance Showers And Thunderstorms

  • Wednesday Night

    Chance Showers And Thunderstorms

    74°F

    Chance Showers And Thunderstorms

  • Thursday

    Chance Showers And Thunderstorms

    90°F

    Chance Showers And Thunderstorms

  • Thursday Night

    Chance Showers And Thunderstorms

    67°F

    Chance Showers And Thunderstorms

  • Friday

    Chance Showers And Thunderstorms

    82°F

    Chance Showers And Thunderstorms

Today
Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 95. Heat index values as high as 101. Southwest wind 3 to 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tonight
Scattered showers and thunderstorms before 9pm, then patchy fog. Mostly cloudy, with a low around 75. Southwest wind 2 to 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Tuesday
Patchy fog before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 94. Heat index values as high as 101. Northeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind 2 to 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Wednesday
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 66.
Point Forecast:
Fairfax VA
38.85°N 77.3°W (400 ft)
7:31 AM EDT Aug 19, 2019
1:00 AM EDT Aug 19, 2019 thru
9:00 PM EDT Aug 26, 2019
 

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