Current Conditions
Mostly cloudy
Temp:
75°F
Wind: Calm
Humidity: 89%
Pressure: 30.06 in
Visibility: 10 miles
Observed at: 7:52 am EDT
Herndon, VA Weather
Today
Mostly cloudy
High:
87°F
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Chance of thunderstorms
Overnight low:
72°F
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 30%.