Yes

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

Why? Because it's quite chilly!
49°F9°C & Mostly Cloudy

Wind is 3 mph5 km/h from the Southeast, gusting to 7 mph11 km/h
November 3
4am48°F9°C3 mph5 km/h EastMostly Cloudy
5am47°F9°C3 mph5 km/h EastMostly Cloudy
6am47°F8°C3 mph5 km/h NortheastCloudy
7am46°F8°C2 mph4 km/h NortheastCloudy
8am46°F8°C2 mph4 km/h NortheastCloudy
9am46°F8°C2 mph3 km/h NortheastCloudy
10am47°F8°C2 mph4 km/h EastCloudy
11am47°F8°C2 mph3 km/h NortheastCloudy
12pm47°F8°C2 mph3 km/h NorthMostly Cloudy
1pm49°F10°C1 mph2 km/h NorthCloudy
2pm52°F11°C2 mph3 km/h NorthMostly Cloudy
3pm54°F12°C1 mph2 km/h NorthwestMostly Cloudy
DateLowHighWindDayNight
November 240°F5°C64°F18°C2 mph3 km/h from SoutheastPartly CloudyMostly Cloudy
November 346°F8°C64°F18°C5 mph8 km/h from WestPartly CloudyClear
November 441°F5°C59°F15°C8 mph13 km/h from WestPartly CloudyPartly Cloudy
November 540°F4°C68°F20°C9 mph14 km/h from SouthwestMostly ClearMostly Clear
November 641°F5°C58°F15°C8 mph12 km/h from NorthwestClearPartly Cloudy
November 737°F3°C60°F16°C11 mph18 km/h from SouthMostly CloudyDrizzle
November 847°F8°C61°F16°C9 mph14 km/h from WestPartly CloudyMostly Cloudy

Yes

Low of 46°F8°C, High of 64°F18°C
Wind: 5 mph8 km/h
Precipitation: None

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