Yes

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

Why? Because there's a refreshing nip in the air!
48°F9°C & Clear

Wind is 3 mph5 km/h from the Northwest, gusting to 5 mph8 km/h
September 9
5am48°F9°C4 mph6 km/h NorthwestClear
6am47°F8°C4 mph6 km/h NorthwestClear
7am47°F8°C3 mph6 km/h NorthwestClear
8am51°F10°C3 mph5 km/h NorthwestClear
9am57°F14°C5 mph7 km/h NorthClear
10am63°F17°C5 mph9 km/h NorthClear
11am68°F20°C7 mph11 km/h NortheastClear
12pm71°F21°C8 mph12 km/h EastClear
1pm73°F23°C7 mph12 km/h EastMostly Clear
2pm75°F24°C8 mph12 km/h EastMostly Clear
3pm76°F24°C8 mph12 km/h EastClear
4pm76°F24°C8 mph13 km/h EastClear
DateLowHighWindDayNight
September 946°F8°C76°F24°C7 mph10 km/h from NortheastClearPartly Cloudy
September 1056°F13°C72°F22°C6 mph10 km/h from NorthMostly CloudyPartly Cloudy
September 1157°F14°C79°F26°C4 mph7 km/h from NorthPartly CloudyMostly Clear
September 1254°F12°C79°F26°C4 mph7 km/h from NortheastMostly ClearMostly Clear
September 1356°F13°C79°F26°C2 mph3 km/h from SoutheastPartly CloudyPartly Cloudy
September 1458°F14°C81°F27°C4 mph6 km/h from WestMostly ClearPartly Cloudy
September 1558°F15°C74°F23°C8 mph12 km/h from NorthMostly ClearPartly Cloudy

Yes

Low of 56°F14°C, High of 73°F23°C
Wind: 6 mph10 km/h
Precipitation: 17% rain

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