Herndon Travel Guide
For foreign visitors
Herndon weather essentials
Month
High
Low
Precip
Jun
76°F 24°C
55°F 12°C
4 in 9 cm
Jul
80°F 26°C
59°F 15°C
3 in 8 cm
Aug
80°F 26°C
59°F 15°C
4 in 10 cm
Sep
73°F 22°C
51°F 10°C
4 in 10 cm
Oct
62°F 16°C
38°F 3°C
3 in 7 cm
Nov
51°F 10°C
30°F -1°C
3 in 7 cm
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