Herndon Travel Guide
For foreign visitors
Herndon weather essentials
Month
High
Low
Precip
Feb
41°F 5°C
22°F -5°C
3 in 6 cm
Mar
49°F 9°C
28°F -2°C
3 in 8 cm
Apr
61°F 16°C
37°F 2°C
3 in 7 cm
May
69°F 20°C
46°F 7°C
3 in 9 cm
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
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