Current Conditions
Mostly cloudy
Temp:
93°F
Wind: From the SW at 10 mph
Humidity: 59%
Pressure: 29.83 in
Visibility: 4 miles
Observed at: 1:52 pm EDT
Herndon, VA Weather
This Afternoon
Severe thunderstorms
High:
93°F
Showers and thunderstorms likely, mainly before 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 93. Heat index values as high as 102. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Severe thunderstorms
Overnight low:
73°F
Showers and thunderstorms likely, mainly before 9pm. Some of the storms could be severe. Mostly cloudy, with a low around 73. Southwest wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.