Yes
you do need a jacket based on the weather in Chantilly, VA, USA 1 second ago
Why? Because it's bitterly cold.
48°F9°C & Partly Cloudy
Wind is 5 mph8 km/h from the SE, gusting to 11 mph17 km/h
| April 19 | ||||
| 5am | 48°F9°C | 5 mph8 km/h SE | Partly Cloudy | |
| 6am | 48°F9°C | 6 mph9 km/h SE | Mostly Cloudy | |
| 7am | 47°F8°C | 6 mph10 km/h SE | Mostly Cloudy | |
| 8am | 49°F9°C | 6 mph10 km/h SE | Cloudy | |
| 9am | 51°F10°C | 7 mph11 km/h SE | Cloudy | |
| 10am | 54°F12°C | 8 mph12 km/h SE | Cloudy | |
| 11am | 57°F14°C | 8 mph13 km/h SE | Cloudy | |
| 12pm | 59°F15°C | 8 mph12 km/h SE | Cloudy | |
| 1pm | 63°F17°C | 8 mph12 km/h SE | Cloudy | |
| 2pm | 65°F18°C | 8 mph13 km/h SE | Cloudy | |
| 3pm | 67°F19°C | 9 mph14 km/h SE | Mostly Cloudy | |
| 4pm | 68°F20°C | 9 mph15 km/h SE | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 47°F8°C | 68°F20°C | 8 mph13 km/h from SE | Cloudy | Mostly Cloudy |
| April 20 | 51°F10°C | 71°F22°C | 8 mph14 km/h from NW | Mostly Clear | Partly Cloudy |
| April 21 | 41°F5°C | 60°F15°C | 5 mph7 km/h from NW | Mostly Cloudy | Partly Cloudy |
| April 22 | 40°F4°C | 65°F19°C | 5 mph8 km/h from N | Clear | Clear |
| April 23 | 40°F5°C | 73°F23°C | 9 mph14 km/h from S | Partly Cloudy | Cloudy |
| April 24 | 50°F10°C | 69°F21°C | 8 mph13 km/h from NW | Mostly Cloudy | Mostly Clear |
| April 25 | 38°F3°C | 62°F17°C | 6 mph10 km/h from N | Clear | Clear |
Yes
Low of 51°F11°C, High of 71°F22°CWind: 8 mph14 km/h
Precipitation: None