Sunday
Chance of showers
High:
70°F
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 40%.
Herndon, VA Weather - Extended Forecast
Sunday Night
Partly cloudy
Overnight low:
49°F
Partly cloudy, with a low around 49.
Monday
Mostly sunny
High:
73°F
Mostly sunny, with a high near 73.
Monday Night
Mostly clear
Overnight low:
54°F
Mostly clear, with a low around 54.
Tuesday
Mostly sunny
High:
77°F
Tuesday Night
Partly cloudy
Overnight low:
58°F
Wednesday
Partly sunny
High:
77°F
Wednesday Night
Showers likely
Overnight low:
50°F
Thursday
Chance of showers
High:
58°F