National Weather Service Forecast for: McLean VA
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 9:53 pm EST Dec 16, 2025
 
Overnight

Overnight: Mostly clear, with a low around 27. South wind 3 to 5 mph.
Mostly Clear

 Wednesday

Wednesday: Increasing clouds, with a high near 48. Southwest wind around 7 mph becoming west in the afternoon.
Increasing
Clouds
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 29. Light and variable wind.
Partly Cloudy

 Thursday

Thursday: A chance of rain after 1pm. Increasing clouds, with a high near 54. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.
Mostly Sunny
then Chance
Rain
 Thursday
Night
Thursday Night: Rain. Low around 44. South wind 8 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.
Rain

 Friday

Friday: A chance of rain before 1pm. Mostly sunny, with a high near 52. Chance of precipitation is 30%.
Chance Rain

 Friday
Night
Friday Night: Mostly clear, with a low around 27.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 44.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 37.
Mostly Cloudy
Lo 27 °F Hi 48 °F Lo 29 °F Hi 54 °F Lo 44 °F Hi 52 °F Lo 27 °F Hi 44 °F Lo 37 °F

 

Overnight
 
 Mostly clear, with a low around 27. South wind 3 to 5 mph.
Wednesday
 
 Increasing clouds, with a high near 48. Southwest wind around 7 mph becoming west in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 29. Light and variable wind.
Thursday
 
 A chance of rain after 1pm. Increasing clouds, with a high near 54. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 30%.
Thursday Night
 
 Rain. Low around 44. South wind 8 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.
Friday
 
 A chance of rain before 1pm. Mostly sunny, with a high near 52. Chance of precipitation is 30%.
Friday Night
 
 Mostly clear, with a low around 27.
Saturday
 
 Mostly sunny, with a high near 44.
Saturday Night
 
 Mostly cloudy, with a low around 37.
Sunday
 
 Partly sunny, with a high near 51.
Sunday Night
 
 Partly cloudy, with a low around 28.
Monday
 
 Partly sunny, with a high near 42.
Monday Night
 
 Mostly cloudy, with a low around 31.
Tuesday
 
 Partly sunny, with a high near 46.

 

Forecast from NOAA-NWS for McLean VA.