Sunday
Partly sunny
High:
25°F
Partly sunny, with a high near 25. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 34 mph.
Herndon, VA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
15°F
Mostly clear, with a low around 15.
Monday
Sunny
High:
32°F
Sunny, with a high near 32.
Monday Night
Partly cloudy
Overnight low:
16°F
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny
High:
36°F
Tuesday Night
Mostly cloudy
Overnight low:
22°F
Wednesday
Chance of snow
High:
33°F
Wednesday Night
Chance of snow
Overnight low:
20°F
Thursday
Partly sunny
High:
30°F