National Weather Service Forecast for: Ashburn VA
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 3:01 pm EDT Jul 16, 2026
 
This
Afternoon
This Afternoon: Isolated showers and thunderstorms after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 102. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Isolated
T-storms
 Tonight

Tonight: Isolated showers and thunderstorms before 9pm. Patchy smoke after 10pm. Partly cloudy, with a low around 70. West wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 20%.
Isolated
T-storms then
Areas Smoke
 Friday

Friday: Widespread smoke, mainly after 2pm. Sunny, with a high near 90. Light northwest wind.
Smoke

 Friday
Night
Friday Night: A chance of showers and thunderstorms after 2am. Widespread smoke. Increasing clouds, with a low around 72. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Smoke then
Chance
T-storms
 Saturday

Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Areas of smoke before noon. High near 89. Southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Chance
T-storms then
Showers
 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm, mainly before 2am, then a slight chance of showers and thunderstorms after 2am. Low around 72. Chance of precipitation is 80%.
Showers

 Sunday

Sunday: Mostly sunny, with a high near 86.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 65.
Mostly Clear

 Monday

Monday: Mostly sunny, with a high near 86.
Mostly Sunny
Hi 96 °F Lo 70 °F Hi 90 °F Lo 72 °F Hi 89 °F Lo 72 °F Hi 86 °F Lo 65 °F Hi 86 °F

Heat Advisory
Air Quality Alert
Hazardous Weather Outlook
 

This Afternoon
 
 Isolated showers and thunderstorms after 5pm. Mostly sunny, with a high near 96. Heat index values as high as 102. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
 
 Isolated showers and thunderstorms before 9pm. Patchy smoke after 10pm. Partly cloudy, with a low around 70. West wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 20%.
Friday
 
 Widespread smoke, mainly after 2pm. Sunny, with a high near 90. Light northwest wind.
Friday Night
 
 A chance of showers and thunderstorms after 2am. Widespread smoke. Increasing clouds, with a low around 72. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Areas of smoke before noon. High near 89. Southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Saturday Night
 
 Showers and possibly a thunderstorm, mainly before 2am, then a slight chance of showers and thunderstorms after 2am. Low around 72. Chance of precipitation is 80%.
Sunday
 
 Mostly sunny, with a high near 86.
Sunday Night
 
 Mostly clear, with a low around 65.
Monday
 
 Mostly sunny, with a high near 86.
Monday Night
 
 Partly cloudy, with a low around 69.
Tuesday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Tuesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Wednesday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Wednesday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Thursday
 
 Sunny, with a high near 84.

 

Forecast from NOAA-NWS for Ashburn VA.