National Weather Service Forecast for: McLean VA
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 10:53 am EDT May 26, 2026
 
Today

Today: Scattered showers, mainly before 2pm. Cloudy, with a high near 75. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 30%.
Scattered
Showers

 Tonight

Tonight: Isolated thunderstorms before 8pm, then scattered showers and thunderstorms between 8pm and 11pm, then scattered showers after 11pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 66. Light southeast wind. Chance of precipitation is 30%.
Scattered
Showers and
Patchy Fog

 Wednesday

Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Patchy fog before 10am. 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. Patchy fog between 10pm and 1am. Low around 64. Northwest wind 3 to 6 mph. 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
then Chance
Showers and
Patchy Fog
 Thursday

Thursday: Sunny, with a high near 79. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Sunny


 Thursday
Night
Thursday Night: Mostly clear, with a low around 57.
Mostly Clear


 Friday

Friday: Sunny, with a high near 77.
Sunny


 Friday
Night
Friday Night: Mostly clear, with a low around 56.
Mostly Clear


 Saturday

Saturday: Mostly sunny, with a high near 74.
Mostly Sunny
Hi 75 °F Lo 66 °F Hi 80 °F Lo 64 °F Hi 79 °F Lo 57 °F Hi 77 °F Lo 56 °F Hi 74 °F

 

Today
 
 Scattered showers, mainly before 2pm. Cloudy, with a high near 75. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 30%.
Tonight
 
 Isolated thunderstorms before 8pm, then scattered showers and thunderstorms between 8pm and 11pm, then scattered showers after 11pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 66. Light southeast wind. Chance of precipitation is 30%.
Wednesday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Patchy fog before 10am. 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. Patchy fog between 10pm and 1am. Low around 64. Northwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 Sunny, with a high near 79. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Thursday Night
 
 Mostly clear, with a low around 57.
Friday
 
 Sunny, with a high near 77.
Friday Night
 
 Mostly clear, with a low around 56.
Saturday
 
 Mostly sunny, with a high near 74.
Saturday Night
 
 Partly cloudy, with a low around 54.
Sunday
 
 Mostly sunny, with a high near 72.
Sunday Night
 
 Mostly clear, with a low around 56.
Monday
 
 Sunny, with a high near 75.

 

Forecast from NOAA-NWS for McLean VA.