Yes

you do need a jacket based on the weather in East Haven, CT 06512, USA 1 second ago

Why? Because it's bitterly cold.
48°F9°C & Cloudy

Wind is 11 mph18 km/h from the N, gusting to 22 mph35 km/h
April 25
1am46°F8°C11 mph18 km/h NMostly Clear
2am42°F6°C11 mph18 km/h NMostly Clear
3am40°F4°C10 mph17 km/h NClear
4am37°F3°C10 mph16 km/h NClear
5am36°F2°C9 mph15 km/h NEClear
6am34°F1°C8 mph13 km/h NEClear
7am35°F2°C8 mph13 km/h NEClear
8am37°F3°C9 mph14 km/h NEClear
9am40°F5°C8 mph12 km/h NEClear
10am44°F7°C6 mph10 km/h NEClear
11am48°F9°C4 mph7 km/h NEClear
12pm51°F11°C3 mph5 km/h EClear
DateLowHighWindDayNight
April 2534°F1°C55°F13°C6 mph10 km/h from SEClearClear
April 2636°F2°C58°F14°C6 mph10 km/h from SEClearClear
April 2739°F4°C59°F15°C8 mph12 km/h from SPartly CloudyDrizzle
April 2845°F7°C63°F17°C6 mph10 km/h from SDrizzleMostly Cloudy
April 2948°F9°C74°F24°C4 mph6 km/h from SMostly CloudyMostly Cloudy
April 3052°F11°C65°F18°C8 mph13 km/h from SEMostly CloudyRain
May 151°F11°C72°F22°C5 mph8 km/h from WPartly CloudyClear

Yes

Low of 36°F2°C, High of 57°F14°C
Wind: 6 mph10 km/h
Precipitation: None

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