Yes

you do need a jacket based on the weather in Westbrook (Westbrook Center), Connecticut, United States 1 second ago

Why? Because it's not very warm out!
56°F14°C & Mostly Clear

Wind is 6 mph10 km/h from the East, gusting to 11 mph18 km/h
November 9
3pm58°F15°C7 mph12 km/h SoutheastPartly Cloudy
4pm60°F15°C9 mph15 km/h SoutheastMostly Cloudy
5pm59°F15°C11 mph18 km/h SoutheastCloudy
6pm59°F15°C12 mph19 km/h SoutheastCloudy
7pm59°F15°C12 mph20 km/h EastCloudy
8pm58°F15°C12 mph20 km/h EastDrizzle
9pm57°F14°C13 mph21 km/h EastDrizzle
10pm57°F14°C12 mph20 km/h EastDrizzle
11pm57°F14°C13 mph21 km/h EastDrizzle
November 10
12am58°F14°C13 mph21 km/h EastDrizzle
1am58°F15°C12 mph20 km/h SoutheastCloudy
2am59°F15°C9 mph15 km/h SouthCloudy
DateLowHighWindDayNight
November 946°F8°C60°F15°C10 mph16 km/h from EastDrizzleRain
November 1039°F4°C59°F15°C8 mph12 km/h from WestRainPartly Cloudy
November 1133°F1°C41°F5°C18 mph29 km/h from WestWindyWindy
November 1238°F3°C48°F9°C16 mph26 km/h from WestWindyPartly Cloudy
November 1340°F4°C51°F11°C12 mph20 km/h from WestPartly CloudyMostly Clear
November 1436°F2°C49°F9°C11 mph17 km/h from NorthwestPartly CloudyClear
November 1533°F0°C46°F8°C11 mph18 km/h from NorthwestClearPartly Cloudy

Yes

Low of 39°F4°C, High of 59°F15°C
Wind: 8 mph12 km/h
Precipitation: 84% rain

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