Yes

you do need a jacket based on the weather in Boston, MA 02109, USA 1 second ago

Why? Because it's cool. Pleasantly cool, but cool!
55°F13°C & Cloudy

Wind is 7 mph12 km/h from the South, gusting to 18 mph29 km/h
November 3
5pm56°F13°C9 mph15 km/h SouthCloudy
6pm56°F14°C10 mph16 km/h SouthCloudy
7pm55°F13°C11 mph18 km/h SouthCloudy
8pm53°F12°C8 mph14 km/h SouthCloudy
9pm52°F11°C8 mph13 km/h SouthCloudy
10pm52°F11°C8 mph13 km/h SouthCloudy
11pm51°F10°C9 mph14 km/h SouthCloudy
November 4
12am50°F10°C10 mph16 km/h SouthCloudy
1am50°F10°C10 mph17 km/h SouthDrizzle
2am49°F10°C11 mph17 km/h SouthwestRain
3am49°F9°C13 mph21 km/h SouthwestRain
4am48°F9°C12 mph20 km/h WestDrizzle
DateLowHighWindDayNight
November 336°F2°C57°F14°C7 mph12 km/h from SouthCloudyRain
November 442°F6°C54°F12°C15 mph25 km/h from WestWindyMostly Clear
November 540°F5°C54°F12°C8 mph13 km/h from SouthwestCloudyRain
November 634°F1°C51°F11°C15 mph24 km/h from NorthwestMostly ClearPartly Cloudy
November 732°F0°C54°F12°C9 mph14 km/h from SouthMostly CloudyDrizzle
November 840°F5°C58°F14°C10 mph16 km/h from WestRainPartly Cloudy
November 937°F3°C52°F11°C6 mph10 km/h from SoutheastCloudyRain

Yes

Low of 42°F6°C, High of 54°F12°C
Wind: 15 mph25 km/h
Precipitation: None

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