Sunday
Mostly sunny
High:
89°F
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Herndon, VA Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
65°F
Mostly clear, with a low around 65.
Monday
Sunny
High:
93°F
Sunny, with a high near 93.
Monday Night
Mostly clear
Overnight low:
69°F
Mostly clear, with a low around 69.
Tuesday
Sunny
High:
95°F
Tuesday Night
Mostly clear
Overnight low:
72°F
Wednesday
Mostly sunny
High:
92°F
Wednesday Night
Chance of thunderstorms
Overnight low:
66°F
Thursday
Chance of showers
High:
81°F