Yes
you do need a jacket based on the weather in Chantilly, VA, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool and the wind is harsh and biting!
54°F12°C & Clear
Wind is 9 mph14 km/h from the Northwest, gusting to 22 mph35 km/h
| November 4 | ||||
| 1am | 52°F11°C | 8 mph14 km/h Northwest | Clear | |
| 2am | 51°F10°C | 10 mph16 km/h Northwest | Clear | |
| 3am | 49°F10°C | 8 mph13 km/h West | Clear | |
| 4am | 48°F9°C | 8 mph13 km/h West | Clear | |
| 5am | 47°F8°C | 8 mph13 km/h West | Clear | |
| 6am | 46°F8°C | 8 mph13 km/h West | Clear | |
| 7am | 45°F7°C | 8 mph14 km/h Northwest | Clear | |
| 8am | 44°F7°C | 8 mph12 km/h Northwest | Clear | |
| 9am | 43°F6°C | 7 mph11 km/h West | Clear | |
| 10am | 41°F5°C | 6 mph10 km/h West | Clear | |
| 11am | 41°F5°C | 6 mph10 km/h West | Clear | |
| 12pm | 40°F5°C | 6 mph9 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| November 3 | 47°F8°C | 66°F19°C | 3 mph5 km/h from Northwest | Mostly Clear | Clear |
| November 4 | 40°F4°C | 60°F16°C | 8 mph13 km/h from West | Partly Cloudy | Mostly Clear |
| November 5 | 38°F4°C | 68°F20°C | 10 mph16 km/h from Southwest | Mostly Clear | Mostly Clear |
| November 6 | 40°F4°C | 56°F14°C | 8 mph13 km/h from Northwest | Mostly Clear | Mostly Clear |
| November 7 | 36°F2°C | 62°F16°C | 11 mph18 km/h from South | Mostly Cloudy | Rain |
| November 8 | 47°F9°C | 63°F17°C | 8 mph13 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| November 9 | 43°F6°C | 60°F15°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
Yes
Low of 40°F5°C, High of 60°F16°CWind: 8 mph13 km/h
Precipitation: None