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September 12th, 2025 :: 6:55 pm EDT   

Local Weather Report for
Herndon
Virginia, United States

 Current Herndon Weather Conditions Updated September 12th at 5:52 pm 
Mostly Sunny
Temperature:27°C Dew Point:8°C
Barometer:102.1 kPa Wind:N 27 Km/h
Humidity:30.1% Visibility:0 Km
 
 Herndon Weather Forecast Summary  
 
Today
Sep 12th 		Saturday
Sep 13th 		Sunday
Sep 14th 		Monday
Sep 15th 		Tuesday
Sep 16th
Sunny Cloudy Cloudy Mostly Sunny Mostly Sunny
28°C
 29°C
17°C		 29°C
19°C		 29°C
18°C		 30°C
19°C
 
 Herndon Detailed Weather Forecast  
 
Friday, September 12th, 2025
Evening Temperature: 19°C
Clear.
Saturday, September 13th, 2025
Overnight Temperature: 18°C
Mostly clear.
Morning Temperature: 26°C
Sunny.
Afternoon Temperature: 27°C
Sunny.
Evening Temperature: 21°C
Cloudy.
Sunday, September 14th, 2025
Overnight Temperature: 19°C
Cloudy.
Morning Temperature: 24°C
A mix of cloud and sun.
Afternoon Temperature: 27°C
A mix of cloud and sun.
Evening Temperature: 21°C
Clear.
Monday, September 15th, 2025
Overnight Temperature: 19°C
Clear.
Morning Temperature: 27°C
Sunny with cloudy periods.
Afternoon Temperature: 27°C
Sunny with cloudy periods.
Evening Temperature: 22°C
Clear with cloudy periods.
Tuesday, September 16th, 2025
Overnight Temperature: 20°C
Clear.
Morning Temperature: 27°C
Sunny with cloudy periods.
Afternoon Temperature: 27°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 20°C
Clear.
Wednesday, September 17th, 2025
Overnight Temperature: 18°C
Clear.
Morning Temperature: 27°C
Sunny.
Afternoon Temperature: 27°C
Sunny.
Evening Temperature: 20°C
Clear.
Thursday, September 18th, 2025
Overnight Temperature: 19°C
Clear.
Morning Temperature: 27°C
Sunny.
Afternoon Temperature: 28°C
Sunny.
Evening Temperature: 21°C
Clear.
Friday, September 19th, 2025
Overnight Temperature: 19°C
Clear.
Morning Temperature: 28°C
Sunny.
Afternoon Temperature: 30°C
Sunny.
Evening Temperature: 22°C
Clear.
Saturday, September 20th, 2025
Overnight Temperature: 20°C
Clear.
Morning Temperature: 29°C
Sunny.
Afternoon Temperature: 29°C
Cloudy. Windy at times.
Evening Temperature: 23°C
A mix of cloudy and clear skies.



 

  [ Local Weather Report ]
Vienna, VA 
5:52 PM  27°C
Mostly Sunny
 
Leesburg, VA 
5:55 PM  27°C
 
 
Poolesville, MD 
5:55 PM  27°C
 
 
Glen Echo, MD 
5:52 PM  26°C
Mostly Sunny
 
Rockville, MD 
5:56 PM  26°C
 
 
Gaithersburg, MD 
5:56 PM  26°C
 
 
Garrett Park, MD 
5:45 PM  26°C
 
 
Washington Grove, MD 
5:56 PM  26°C
 
 
Chevy Chase, MD 
5:45 PM  26°C
 
 
Chevy Chase View, MD 
5:45 PM  26°C
 

This WeatherCity Weather Forecast for Herndon, Virginia, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office
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