Yes

you do need a jacket based on the weather in Ashburn, VA, USA 1 second ago

Why? Because it's super windy outside!
68°F20°C & Windy

Wind is 17 mph27 km/h from the Northwest, gusting to 29 mph46 km/h
April 27
4pm68°F20°C17 mph27 km/h NorthwestWindy
5pm68°F20°C16 mph26 km/h NorthwestWindy
6pm68°F20°C15 mph24 km/h NorthwestClear
7pm66°F19°C12 mph19 km/h NorthwestClear
8pm62°F16°C8 mph12 km/h NorthwestClear
9pm58°F15°C7 mph11 km/h NorthwestClear
10pm56°F13°C7 mph11 km/h NorthwestClear
11pm54°F12°C6 mph10 km/h NorthwestClear
April 28
12am52°F11°C6 mph9 km/h NorthwestClear
1am51°F10°C5 mph8 km/h NorthwestClear
2am49°F9°C4 mph7 km/h NorthwestClear
3am47°F8°C4 mph7 km/h NorthwestMostly Clear
DateLowHighWindDayNight
April 2747°F8°C69°F20°C12 mph20 km/h from NorthwestClearClear
April 2845°F7°C73°F23°C4 mph6 km/h from SouthClearMostly Clear
April 2951°F11°C82°F28°C11 mph17 km/h from SouthPartly CloudyMostly Cloudy
April 3064°F18°C82°F28°C6 mph10 km/h from NorthwestMostly CloudyMostly Cloudy
May 161°F16°C83°F28°C7 mph12 km/h from SoutheastDrizzleMostly Cloudy
May 260°F16°C80°F27°C12 mph19 km/h from SouthwestMostly CloudyDrizzle
May 351°F11°C66°F19°C10 mph17 km/h from NorthwestPartly CloudyMostly Clear

Yes

Low of 45°F7°C, High of 73°F23°C
Wind: 4 mph6 km/h
Precipitation: None

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