Herndon, VA Weather

Current Conditions

Clear

Temp:
21°F

Wind: Calm

Humidity: 74%
Pressure: 30.52 in

Visibility: 10 miles

Observed at: 2:52 am EST

Overnight

Clear

Overnight low:
19°F

Clear, with a low around 19. Light northwest wind.

Monday

Clouds increasing

High:
44°F

Increasing clouds, with a high near 44. Calm wind becoming south around 6 mph in the afternoon.

Monday Night

Mostly cloudy

Overnight low:
35°F

A slight chance of snow before 1am, then a chance of rain and snow between 1am and 3am, then rain likely after 3am. Cloudy, with a low around 35. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.