National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

36°F

2°C

Humidity 76%
Wind Speed SE 3 mph
Barometer 30.22 in (1023.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 28 Dec 2:52 am EST
Extended Forecast for

2 Miles ESE Great Falls VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 29. Light southeast wind.

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly between noon and 2pm. Cloudy, with a high near 44. Light southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Cloudy, with a temperature rising to around 49 by 4am. South wind 10 to 14 mph, with gusts as high as 28 mph.

    Low: 40 °F⇑

    Cloudy

  • Monday

    Monday: A chance of rain, mainly between 7am and 1pm. Partly sunny, with a high near 62. Breezy, with a southwest wind 14 to 22 mph becoming west in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 30%.

    High: 62 °F

    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. Breezy, with a west wind 18 to 20 mph, with gusts as high as 40 mph.

    Low: 26 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Breezy.

    High: 35 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 29. Light southeast wind.
Sunday
A chance of rain, mainly between noon and 2pm. Cloudy, with a high near 44. Light southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
Cloudy, with a temperature rising to around 49 by 4am. South wind 10 to 14 mph, with gusts as high as 28 mph.
Monday
A chance of rain, mainly between 7am and 1pm. Partly sunny, with a high near 62. Breezy, with a southwest wind 14 to 22 mph becoming west in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 26. Breezy, with a west wind 18 to 20 mph, with gusts as high as 40 mph.
Tuesday
Mostly sunny, with a high near 35. Breezy.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 28.
New Year's Day
Mostly cloudy, with a high near 40.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Great Falls VA
 39°N 77.26°W (Elev. 259 ft)
Last Update:
2:37 am EST Dec 28, 2025
Forecast Valid:
3am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
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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