Monday
Mostly sunny
High:
92°F
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Herndon, VA Weather - Extended Forecast
Monday Night
Chance of thunderstorms
Overnight low:
71°F
A chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
Mostly cloudy
High:
86°F
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.
Tuesday Night
Chance of thunderstorms
Overnight low:
71°F
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Wednesday
Partly sunny
High:
90°F
Wednesday Night
Chance of thunderstorms
Overnight low:
72°F
Thursday
Mostly sunny
High:
94°F
Thursday Night
Chance of thunderstorms
Overnight low:
73°F
Friday
Mostly sunny
High:
95°F