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

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

51°F

11°C

Humidity 29%
Wind Speed NW 6 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 13 Nov 5:52 pm EST
Extended Forecast for

2 Miles S Herndon VA

  • Tonight

    Tonight: Clear, with a low around 34. West wind 3 to 8 mph.

    Low: 34 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 58. West wind 5 to 8 mph.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 63. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 63 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 53. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 34. West wind 3 to 8 mph.
Friday
Sunny, with a high near 58. West wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 42. Calm wind.
Saturday
Mostly cloudy, with a high near 63. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 53. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 54.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly cloudy, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Herndon VA
 38.95°N 77.39°W (Elev. 384 ft)
Last Update:
3:53 pm EST Nov 13, 2025
Forecast Valid:
6pm EST Nov 13, 2025-6pm EST Nov 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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