Yes

you do need a jacket based on the weather in New Haven, CT 06510, USA 1 second ago

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer and it's fairly windy outside!
49°F10°C & Cloudy

Wind is 11 mph18 km/h from the Northeast, gusting to 25 mph40 km/h
November 21
2pm49°F10°C11 mph18 km/h NortheastDrizzle
3pm49°F9°C10 mph17 km/h NortheastDrizzle
4pm49°F9°C10 mph15 km/h NortheastDrizzle
5pm48°F9°C9 mph15 km/h NortheastRain
6pm48°F9°C10 mph16 km/h NortheastRain
7pm48°F9°C11 mph17 km/h NortheastDrizzle
8pm48°F9°C11 mph17 km/h NortheastRain
9pm48°F9°C11 mph18 km/h NortheastRain
10pm47°F9°C12 mph20 km/h NortheastRain
11pm47°F8°C11 mph18 km/h EastRain
November 22
12am44°F7°C13 mph20 km/h SouthRain
1am42°F6°C13 mph20 km/h SouthwestRain
DateLowHighWindDayNight
November 2144°F7°C49°F10°C9 mph14 km/h from NortheastRainRain
November 2238°F3°C45°F7°C11 mph17 km/h from SouthDrizzleDrizzle
November 2338°F4°C49°F9°C14 mph22 km/h from NorthwestMostly CloudyPartly Cloudy
November 2440°F4°C48°F9°C14 mph22 km/h from WestPartly CloudyMostly Clear
November 2535°F2°C51°F10°C4 mph7 km/h from SouthwestPartly CloudyMostly Cloudy
November 2642°F6°C55°F13°C10 mph17 km/h from WestDrizzlePartly Cloudy
November 2736°F2°C43°F6°C9 mph14 km/h from WestMostly CloudyPartly Cloudy

Yes

Low of 38°F4°C, High of 45°F7°C
Wind: 11 mph17 km/h
Precipitation: 74% rain

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