National Weather Service Forecast for: Ashburn VA
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 7:53 am EDT May 26, 2026
 
Today

Today: Showers, with thunderstorms also possible after 5pm. Patchy fog before 9am. High near 76. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers and
Patchy Fog

 Tonight

Tonight: A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 64. Light southeast wind. Chance of precipitation is 40%.
Chance
Showers and
Patchy Fog
 Wednesday

Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Patchy fog before 7am. High near 80. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers and
Patchy Fog
then Showers
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 62. Northwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Chance
Showers
 Thursday

Thursday: Sunny, with a high near 78. North wind 9 to 15 mph, with gusts as high as 22 mph.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 54.
Mostly Clear

 Friday

Friday: Sunny, with a high near 77.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 53.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 73.
Mostly Sunny
Hi 76 °F Lo 64 °F Hi 80 °F Lo 62 °F Hi 78 °F Lo 54 °F Hi 77 °F Lo 53 °F Hi 73 °F

Hazardous Weather Outlook
 

Today
 
 Showers, with thunderstorms also possible after 5pm. Patchy fog before 9am. High near 76. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 A chance of showers and thunderstorms. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 64. Light southeast wind. Chance of precipitation is 40%.
Wednesday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Patchy fog before 7am. High near 80. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 62. Northwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 Sunny, with a high near 78. North wind 9 to 15 mph, with gusts as high as 22 mph.
Thursday Night
 
 Mostly clear, with a low around 54.
Friday
 
 Sunny, with a high near 77.
Friday Night
 
 Mostly clear, with a low around 53.
Saturday
 
 Mostly sunny, with a high near 73.
Saturday Night
 
 Partly cloudy, with a low around 51.
Sunday
 
 Mostly sunny, with a high near 72.
Sunday Night
 
 Mostly clear, with a low around 53.
Monday
 
 Sunny, with a high near 75.

 

Forecast from NOAA-NWS for Ashburn VA.