National Weather Service Forecast for: Reston VA
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 5:28 pm EDT Jul 28, 2026
 
Tonight

Tonight: Showers and thunderstorms, mainly before 10pm. Some of the storms could be severe.  Low around 67. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Severe
T-Storms
then Mostly
Clear
Wednesday

Wednesday: Sunny, with a high near 84. Northwest wind 11 to 14 mph, with gusts as high as 24 mph.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 66. Northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 83. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 65. Northwest wind 5 to 7 mph.
Mostly Clear

Friday

Friday: Sunny, with a high near 86.
Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 68.
Partly Cloudy

Saturday

Saturday: Mostly sunny, with a high near 88.
Mostly Sunny

Saturday
Night
Saturday Night: A slight chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Slight Chance
T-storms

Lo 67 °F Hi 84 °F Lo 66 °F Hi 83 °F Lo 65 °F Hi 86 °F Lo 68 °F Hi 88 °F Lo 70 °F

Hazardous Weather Outlook
Tornado Watch
 

Tonight
 
Showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Low around 67. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
 
Sunny, with a high near 84. Northwest wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
 
Mostly clear, with a low around 66. Northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday
 
Sunny, with a high near 83. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Thursday Night
 
Mostly clear, with a low around 65. Northwest wind 5 to 7 mph.
Friday
 
Sunny, with a high near 86.
Friday Night
 
Partly cloudy, with a low around 68.
Saturday
 
Mostly sunny, with a high near 88.
Saturday Night
 
A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Sunday
 
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 40%.
Sunday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Monday
 
A chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 50%.
Monday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Tuesday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Reston VA.