No
you don't need a jacket based on the weather in Ashburn, VA, USA 1 second ago
66°F19°C & Cloudy
Wind is 4 mph7 km/h from the North, gusting to 9 mph15 km/h
| September 17 | ||||
| 9pm | 65°F19°C | 4 mph7 km/h North | Cloudy | |
| 10pm | 65°F18°C | 4 mph6 km/h Northwest | Cloudy | |
| 11pm | 65°F18°C | 4 mph6 km/h Northwest | Cloudy | |
| September 18 | ||||
| 12am | 64°F18°C | 4 mph6 km/h Northwest | Mostly Cloudy | |
| 1am | 64°F18°C | 4 mph7 km/h Northwest | Mostly Cloudy | |
| 2am | 64°F18°C | 5 mph7 km/h Northwest | Mostly Cloudy | |
| 3am | 63°F17°C | 4 mph7 km/h Northwest | Mostly Cloudy | |
| 4am | 62°F17°C | 4 mph6 km/h Northwest | Mostly Cloudy | |
| 5am | 62°F17°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 6am | 61°F16°C | 3 mph5 km/h Northwest | Partly Cloudy | |
| 7am | 61°F16°C | 3 mph5 km/h Northwest | Partly Cloudy | |
| 8am | 62°F17°C | 3 mph5 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 58°F14°C | 67°F19°C | 5 mph9 km/h from North | Rain | Thunderstorms |
| September 18 | 61°F16°C | 81°F27°C | 3 mph5 km/h from Northwest | Mostly Clear | Clear |
| September 19 | 59°F15°C | 84°F29°C | 4 mph7 km/h from Northwest | Clear | Mostly Clear |
| September 20 | 60°F16°C | 76°F25°C | 6 mph10 km/h from East | Mostly Clear | Mostly Cloudy |
| September 21 | 62°F17°C | 75°F24°C | 6 mph9 km/h from Southeast | Mostly Cloudy | Partly Cloudy |
| September 22 | 63°F17°C | 79°F26°C | 6 mph10 km/h from South | Partly Cloudy | Mostly Clear |
| September 23 | 63°F17°C | 81°F27°C | 5 mph9 km/h from South | Partly Cloudy | Rain |
No
Low of 61°F16°C, High of 82°F28°CWind: 3 mph5 km/h
Precipitation: None