Yes

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

Why? Because it's cool. Pleasantly cool, but cool!
53°F12°C & Cloudy

Wind is 4 mph6 km/h from the Southwest, gusting to 12 mph19 km/h
November 8
12pm53°F12°C4 mph6 km/h SouthwestDrizzle
1pm53°F12°C4 mph7 km/h SouthwestDrizzle
2pm55°F13°C5 mph8 km/h WestMostly Cloudy
3pm58°F15°C7 mph12 km/h NorthwestMostly Clear
4pm60°F16°C7 mph12 km/h NorthwestMostly Clear
5pm61°F16°C7 mph11 km/h NorthwestMostly Clear
6pm61°F16°C6 mph10 km/h NorthwestMostly Clear
7pm61°F16°C6 mph10 km/h NorthwestMostly Clear
8pm61°F16°C5 mph9 km/h NorthwestMostly Clear
9pm59°F15°C5 mph8 km/h NorthwestClear
10pm55°F13°C4 mph7 km/h NorthwestClear
11pm52°F11°C4 mph7 km/h NorthwestClear
DateLowHighWindDayNight
November 845°F7°C61°F16°C6 mph9 km/h from NorthwestDrizzleMostly Cloudy
November 942°F5°C59°F15°C9 mph14 km/h from SoutheastRainRain
November 1036°F2°C55°F13°C6 mph9 km/h from NorthwestDrizzlePartly Cloudy
November 1131°F-1°C40°F5°C12 mph20 km/h from WestPartly CloudyPartly Cloudy
November 1234°F1°C46°F8°C9 mph14 km/h from SouthwestMostly CloudyMostly Clear
November 1338°F3°C49°F9°C11 mph18 km/h from WestPartly CloudyMostly Clear
November 1434°F1°C47°F8°C9 mph15 km/h from NorthwestMostly ClearMostly Clear

Yes

Low of 42°F6°C, High of 59°F15°C
Wind: 9 mph14 km/h
Precipitation: 64% rain

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