Yes

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

Why? Because it's not very warm out!
53°F12°C & Mostly Cloudy

Wind is 4 mph7 km/h from the East, gusting to 9 mph15 km/h
November 9
4am53°F11°C5 mph8 km/h EastMostly Cloudy
5am52°F11°C5 mph8 km/h EastMostly Clear
6am51°F11°C5 mph9 km/h EastMostly Clear
7am51°F11°C5 mph9 km/h SoutheastMostly Clear
8am51°F11°C5 mph9 km/h EastPartly Cloudy
9am52°F11°C6 mph9 km/h SoutheastPartly Cloudy
10am52°F11°C6 mph10 km/h SoutheastMostly Clear
11am54°F12°C7 mph11 km/h SoutheastPartly Cloudy
12pm55°F13°C7 mph12 km/h SoutheastMostly Cloudy
1pm57°F14°C8 mph13 km/h SoutheastMostly Cloudy
2pm59°F15°C10 mph16 km/h SoutheastMostly Cloudy
3pm60°F16°C11 mph17 km/h SoutheastCloudy
DateLowHighWindDayNight
November 852°F11°C67°F19°C5 mph7 km/h from WestRainPartly Cloudy
November 951°F11°C62°F16°C9 mph15 km/h from SoutheastDrizzleRain
November 1036°F2°C57°F14°C9 mph15 km/h from WestRainMostly Clear
November 1132°F-0°C42°F5°C16 mph26 km/h from WestWindyMostly Clear
November 1236°F2°C51°F10°C12 mph19 km/h from SouthwestMostly CloudyPartly Cloudy
November 1341°F5°C53°F12°C13 mph21 km/h from WestMostly ClearMostly Clear
November 1437°F3°C50°F10°C10 mph17 km/h from NorthwestMostly ClearMostly Clear

Yes

Low of 51°F11°C, High of 62°F17°C
Wind: 9 mph15 km/h
Precipitation: 63% rain

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