Yes

you do need a jacket based on the weather in Ashburn, VA 20148, USA 1 second ago

Why? Because just cool enough for a jacket, but not warm enough to ditch it!
53°F12°C & Mostly Clear

Wind is 5 mph8 km/h from the Southwest, gusting to 11 mph18 km/h
November 9
3am53°F12°C5 mph8 km/h SouthwestMostly Clear
4am52°F11°C5 mph7 km/h SouthMostly Clear
5am51°F11°C4 mph7 km/h SouthMostly Clear
6am50°F10°C4 mph7 km/h SouthMostly Clear
7am49°F9°C4 mph6 km/h SouthMostly Clear
8am48°F9°C3 mph5 km/h SouthMostly Clear
9am47°F8°C2 mph4 km/h SouthMostly Clear
10am46°F8°C2 mph4 km/h SouthMostly Cloudy
11am46°F8°C3 mph5 km/h SouthMostly Cloudy
12pm47°F8°C3 mph5 km/h SoutheastMostly Cloudy
1pm50°F10°C3 mph4 km/h SouthMostly Cloudy
2pm54°F12°C4 mph7 km/h SoutheastMostly Cloudy
DateLowHighWindDayNight
November 851°F10°C69°F20°C3 mph4 km/h from WestMostly ClearMostly Clear
November 946°F8°C68°F20°C7 mph11 km/h from SouthMostly CloudyDrizzle
November 1032°F0°C51°F11°C12 mph19 km/h from NorthwestPartly CloudyPartly Cloudy
November 1128°F-2°C45°F7°C13 mph21 km/h from WestMostly ClearPartly Cloudy
November 1234°F1°C59°F15°C9 mph15 km/h from SouthwestPartly CloudyPartly Cloudy
November 1338°F3°C55°F13°C11 mph17 km/h from NorthwestMostly ClearMostly Clear
November 1433°F1°C57°F14°C8 mph12 km/h from NorthwestMostly ClearMostly Clear

Yes

Low of 46°F8°C, High of 68°F20°C
Wind: 7 mph11 km/h
Precipitation: 26% rain

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