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.

Light Rain Fog/Mist

12°C

53°F

Humidity 93%
Wind Speed NE 7 km/h
Barometer 1022.5 mb (30.19 in)
Dewpoint 11°C (51°F)
Visibility 4.02 km
Wind Chill11°C (52°F)
Last update 5 May 12:52 am EDT
Extended Forecast for

Fairfax VA

  • Overnight

    Overnight: Rain with areas of drizzle. Patchy fog. Low around 11. East wind around 14 km/h. Chance of precipitation is 90%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 11 °C

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Rain, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 3pm. High near 20. South wind 10 to 13 km/h. Chance of precipitation is 90%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 20 °C

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 17. Southeast wind 8 to 11 km/h. Chance of precipitation is 40%.

    Low: 17 °C

    Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 27. West wind around 8 km/h. Chance of precipitation is 40%.

    High: 27 °C

    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 17. Southwest wind 5 to 8 km/h becoming northwest in the evening. Chance of precipitation is 50%.

    Low: 17 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.

    High: 27 °C

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.

    Low: 18 °C

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 31. Chance of precipitation is 30%.

    High: 31 °C

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 8pm. Mostly cloudy, with a low around 18. Chance of precipitation is 50%.

    Low: 18 °C

    Chance
    T-storms

Detailed Forecast

Overnight
Rain with areas of drizzle. Patchy fog. Low around 11. East wind around 14 km/h. Chance of precipitation is 90%. New precipitation amounts between 2.5 and 5 mm possible.
Sunday
Rain, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog before 3pm. High near 20. South wind 10 to 13 km/h. Chance of precipitation is 90%. New rainfall amounts between 5 and 7.5 mm possible.
Sunday Night
A chance of showers and thunderstorms, mainly before 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 17. Southeast wind 8 to 11 km/h. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 27. West wind around 8 km/h. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 17. Southwest wind 5 to 8 km/h becoming northwest in the evening. Chance of precipitation is 50%.
Tuesday
A slight chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 31. Chance of precipitation is 30%.
Wednesday Night
A chance of showers, with thunderstorms also possible after 8pm. Mostly cloudy, with a low around 18. Chance of precipitation is 50%.
Thursday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 26. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Low around 16. Chance of precipitation is 80%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 24. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 12. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly sunny, with a high near 19. Chance of precipitation is 40%.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.32°W (Elev. 413 m)
Last Update:
1:30 am EDT May 5, 2024
Forecast Valid:
1am EDT May 5, 2024-6pm EDT May 11, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation