NWS Forecast for Ashburn VA

National Weather Service Forecast for: Ashburn VA
Issued by: National Weather Service Baltimore, MD/Washington, D.C.

Updated: 12:53 am EST Dec 5, 2025

Overnight Snow Likely	Friday Snow Likely then Slight Chance Snow	Friday Night Mostly Cloudy then Patchy Fog	Saturday Patchy Fog then Partly Sunny	Saturday Night Partly Cloudy	Sunday Partly Sunny	Sunday Night Mostly Cloudy	Monday Mostly Sunny	Monday Night Mostly Clear
Lo 22 °F	Hi 33 °F	Lo 22 °F	Hi 42 °F	Lo 24 °F	Hi 42 °F	Lo 25 °F	Hi 35 °F	Lo 16 °F

Hazardous Weather Outlook
Winter Weather Advisory

Overnight	Snow likely, mainly after 4am. Cloudy, with a low around 22. East wind around 5 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Friday	Snow likely, mainly before 10am. Cloudy, with a high near 33. Calm wind becoming east around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night	Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 22. Calm wind.
Saturday	Patchy fog before 9am. Otherwise, partly sunny, with a high near 42. Light southwest wind.
Saturday Night	Partly cloudy, with a low around 24. Light and variable wind.
Sunday	Partly sunny, with a high near 42.
Sunday Night	Mostly cloudy, with a low around 25.
Monday	Mostly sunny, with a high near 35.
Monday Night	Mostly clear, with a low around 16.
Tuesday	Mostly sunny, with a high near 39.
Tuesday Night	Mostly cloudy, with a low around 28.
Wednesday	Mostly cloudy, with a high near 47.
Wednesday Night	A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Thursday	A chance of rain. Partly sunny, with a high near 44. Chance of precipitation is 30%.

Forecast from NOAA-NWS for Ashburn VA.