Herndon, VA Weather

Current Conditions

Overcast

Temp:
55°F

Wind: Calm

Humidity: 88%
Pressure: 29.99 in

Visibility: 10 miles

Observed at: 2:52 am EDT

Today

Patchy fog

High:
95°F

Isolated showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, sunny, with a high near 95. Heat index values as high as 100. Light west wind. Chance of precipitation is 20%.

Tonight

Mostly clear

Overnight low:
73°F

Mostly clear, with a low around 73. South wind around 5 mph becoming calm in the evening.