Yes

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

Why? Because it's quite chilly!
41°F5°C & Clear

Wind is 7 mph11 km/h from the Northwest, gusting to 14 mph22 km/h
October 28
5am41°F5°C7 mph11 km/h NorthwestClear
6am41°F5°C8 mph12 km/h NorthClear
7am40°F4°C8 mph13 km/h NorthClear
8am40°F4°C9 mph14 km/h NorthMostly Clear
9am40°F4°C9 mph15 km/h NorthMostly Clear
10am40°F5°C9 mph15 km/h NorthMostly Clear
11am41°F5°C10 mph16 km/h NorthMostly Clear
12pm42°F6°C10 mph16 km/h NorthPartly Cloudy
1pm45°F7°C11 mph18 km/h NorthPartly Cloudy
2pm49°F9°C12 mph20 km/h NortheastMostly Cloudy
3pm51°F10°C14 mph22 km/h NortheastMostly Cloudy
4pm52°F11°C13 mph21 km/h NortheastMostly Cloudy
DateLowHighWindDayNight
October 2840°F4°C53°F12°C13 mph20 km/h from NortheastMostly CloudyCloudy
October 2945°F7°C52°F11°C12 mph19 km/h from NortheastCloudyCloudy
October 3048°F9°C59°F15°C12 mph19 km/h from NortheastRainRain
October 3148°F9°C60°F16°C13 mph21 km/h from SouthwestRainWindy
November 145°F7°C54°F12°C16 mph25 km/h from WestWindyPartly Cloudy
November 240°F5°C54°F12°C9 mph14 km/h from WestPartly CloudyPartly Cloudy
November 339°F4°C53°F12°C6 mph10 km/h from SouthwestPartly CloudyDrizzle

Yes

Low of 46°F8°C, High of 52°F11°C
Wind: 12 mph19 km/h
Precipitation: 22% rain

Support This Page