NWS Forecast for Reston VA

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

Updated: 12:53 am EST Dec 5, 2025

Overnight Snow	Friday Snow then Slight Chance Snow	Friday Night Mostly Cloudy then Patchy Fog	Saturday Partly Sunny	Saturday Night Partly Cloudy	Sunday Partly Sunny	Sunday Night Mostly Cloudy	Monday Mostly Sunny	Monday Night Mostly Clear
Lo 21 °F	Hi 32 °F	Lo 24 °F	Hi 42 °F	Lo 26 °F	Hi 41 °F	Lo 26 °F	Hi 34 °F	Lo 18 °F

Hazardous Weather Outlook
Winter Weather Advisory

Overnight	Snow, mainly after 3am. Low around 21. East wind around 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Friday	Snow, mainly before 8am. High near 32. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night	Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 24. Calm wind.
Saturday	Partly sunny, with a high near 42. Calm wind.
Saturday Night	Partly cloudy, with a low around 26. Light and variable wind.
Sunday	Partly sunny, with a high near 41.
Sunday Night	Mostly cloudy, with a low around 26.
Monday	Mostly sunny, with a high near 34.
Monday Night	Mostly clear, with a low around 18.
Tuesday	Mostly sunny, with a high near 38.
Tuesday Night	Mostly cloudy, with a low around 30.
Wednesday	Mostly cloudy, with a high near 46.
Wednesday Night	A chance of rain. Mostly cloudy, with a low around 36. 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 Reston VA.