Yes

you do need a jacket based on the weather in Boston (Bunker Hill), Massachusetts, United States 1 second ago

Why? Because it's cool. Pleasantly cool, but cool.
52°F11°C & Partly Cloudy

Wind is 14 mph22 km/h from the NW, gusting to 27 mph44 km/h
April 24
8pm51°F11°C14 mph23 km/h NWClear
9pm48°F9°C14 mph23 km/h NWClear
10pm45°F7°C14 mph22 km/h NWClear
11pm41°F5°C13 mph21 km/h NWClear
April 25
12am39°F4°C11 mph18 km/h NWClear
1am38°F3°C10 mph15 km/h NClear
2am36°F2°C9 mph15 km/h NClear
3am34°F1°C8 mph14 km/h NClear
4am33°F1°C8 mph13 km/h NClear
5am32°F0°C8 mph12 km/h NClear
6am31°F-0°C7 mph12 km/h NClear
7am33°F1°C7 mph12 km/h NClear
DateLowHighWindDayNight
April 2439°F4°C65°F18°C7 mph11 km/h from WMostly CloudyClear
April 2531°F-0°C54°F12°C5 mph8 km/h from NEClearClear
April 2636°F2°C55°F13°C7 mph11 km/h from EClearClear
April 2738°F3°C63°F17°C6 mph10 km/h from SMostly ClearMostly Cloudy
April 2843°F6°C70°F21°C6 mph10 km/h from SWMostly CloudyMostly Cloudy
April 2953°F12°C69°F21°C6 mph9 km/h from EMostly CloudyMostly Cloudy
April 3049°F10°C64°F18°C9 mph14 km/h from SEDrizzleRain

Yes

Low of 31°F-1°C, High of 55°F13°C
Wind: 5 mph8 km/h
Precipitation: None

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