Yes

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

Why? Because too cold for just a hoodie, too warm for a parka and there are strong winds blowing out there!
50°F10°C & Windy

Wind is 16 mph26 km/h from the North, gusting to 25 mph41 km/h
October 16
4pm50°F10°C16 mph26 km/h NorthWindy
5pm51°F11°C17 mph27 km/h NorthWindy
6pm52°F11°C17 mph27 km/h NorthWindy
7pm52°F11°C17 mph27 km/h NorthWindy
8pm51°F11°C18 mph30 km/h NorthWindy
9pm51°F11°C17 mph28 km/h NorthWindy
10pm51°F10°C18 mph29 km/h NorthWindy
11pm51°F10°C18 mph29 km/h NorthWindy
October 17
12am50°F10°C19 mph31 km/h NorthWindy
1am50°F10°C19 mph31 km/h NorthWindy
2am49°F10°C19 mph31 km/h NorthWindy
3am49°F10°C19 mph31 km/h NorthWindy
DateLowHighWindDayNight
October 1644°F7°C52°F11°C16 mph25 km/h from NorthWindyWindy
October 1748°F9°C56°F13°C14 mph23 km/h from NorthMostly ClearMostly Clear
October 1846°F8°C58°F14°C6 mph10 km/h from NorthClearMostly Clear
October 1948°F9°C63°F17°C10 mph16 km/h from SouthPartly CloudyMostly Cloudy
October 2056°F13°C64°F18°C11 mph18 km/h from SouthHeavy RainDrizzle
October 2151°F11°C64°F18°C8 mph12 km/h from SouthwestMostly ClearPartly Cloudy
October 2250°F10°C61°F16°C10 mph15 km/h from SouthRainDrizzle

Yes

Low of 48°F9°C, High of 56°F14°C
Wind: 14 mph23 km/h
Precipitation: None

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