No
you don't need a jacket based on the weather in Herndon, VA 20170, USA 1 second ago
84°F29°C & Clear
Wind is 6 mph10 km/h from the South, gusting to 10 mph16 km/h
| July 5 | ||||
| 7pm | 83°F29°C | 7 mph11 km/h South | Mostly Clear | |
| 8pm | 81°F27°C | 5 mph9 km/h South | Mostly Clear | |
| 9pm | 77°F25°C | 5 mph8 km/h South | Mostly Clear | |
| 10pm | 75°F24°C | 6 mph10 km/h South | Mostly Clear | |
| 11pm | 73°F23°C | 7 mph11 km/h South | Mostly Clear | |
| July 6 | ||||
| 12am | 71°F22°C | 6 mph10 km/h South | Mostly Clear | |
| 1am | 70°F21°C | 6 mph10 km/h South | Mostly Clear | |
| 2am | 69°F20°C | 5 mph8 km/h South | Mostly Cloudy | |
| 3am | 67°F19°C | 4 mph7 km/h South | Partly Cloudy | |
| 4am | 66°F19°C | 3 mph5 km/h South | Mostly Clear | |
| 5am | 65°F18°C | 3 mph5 km/h South | Mostly Clear | |
| 6am | 65°F18°C | 3 mph5 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 5 | 62°F17°C | 89°F32°C | 3 mph5 km/h from South | Mostly Clear | Mostly Clear |
| July 6 | 65°F18°C | 89°F31°C | 6 mph10 km/h from South | Mostly Clear | Drizzle |
| July 7 | 72°F22°C | 87°F30°C | 3 mph5 km/h from Southeast | Drizzle | Drizzle |
| July 8 | 73°F23°C | 91°F33°C | 5 mph8 km/h from West | Thunderstorms | Thunderstorms |
| July 9 | 71°F22°C | 88°F31°C | 4 mph6 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| July 10 | 71°F21°C | 87°F30°C | 4 mph7 km/h from South | Mostly Cloudy | Drizzle |
| July 11 | 69°F21°C | 85°F29°C | 3 mph5 km/h from East | Drizzle | Rain |
No
Low of 64°F18°C, High of 89°F32°CWind: 6 mph10 km/h
Precipitation: 18% rain