Yes

you do need a jacket based on the weather in Massapequa, NY, USA 1 second ago

Why? Because it's quite chilly.
43°F6°C & Drizzle

Wind is 12 mph19 km/h from the N, gusting to 27 mph44 km/h
March 28
11pm43°F6°C13 mph20 km/h NDrizzle
March 29
12am42°F6°C13 mph20 km/h NDrizzle
1am42°F6°C13 mph21 km/h NWDrizzle
2am41°F5°C13 mph22 km/h NWCloudy
3am40°F4°C14 mph22 km/h NWCloudy
4am39°F4°C13 mph21 km/h NWCloudy
5am39°F4°C12 mph20 km/h NWCloudy
6am38°F3°C12 mph20 km/h NWCloudy
7am38°F3°C12 mph19 km/h NWCloudy
8am39°F4°C12 mph19 km/h NWMostly Cloudy
9am41°F5°C13 mph21 km/h NWPartly Cloudy
10am45°F7°C14 mph22 km/h NWPartly Cloudy
DateLowHighWindDayNight
March 2842°F6°C50°F10°C3 mph5 km/h from NRainDrizzle
March 2938°F3°C57°F14°C15 mph24 km/h from NWWindyMostly Clear
March 3036°F2°C59°F15°C13 mph21 km/h from WPartly CloudyMostly Cloudy
March 3143°F6°C58°F15°C10 mph16 km/h from NWMostly CloudyMostly Cloudy
April 138°F3°C49°F9°C7 mph11 km/h from ECloudyRain
April 241°F5°C47°F8°C16 mph25 km/h from ERainRain
April 340°F4°C55°F13°C10 mph16 km/h from NRainDrizzle

Yes

Low of 37°F3°C, High of 56°F14°C
Wind: 15 mph24 km/h
Precipitation: None

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