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!
54°F12°C & Cloudy

Wind is 5 mph8 km/h from the Southwest, gusting to 12 mph20 km/h
May 23
1pm55°F13°C5 mph8 km/h SouthwestDrizzle
2pm56°F14°C6 mph10 km/h WestCloudy
3pm57°F14°C8 mph13 km/h WestDrizzle
4pm59°F15°C9 mph15 km/h NorthwestPartly Cloudy
5pm60°F16°C8 mph14 km/h NorthwestPartly Cloudy
6pm60°F16°C7 mph11 km/h NorthwestMostly Clear
7pm58°F14°C4 mph6 km/h NorthwestMostly Cloudy
8pm57°F14°C4 mph6 km/h WestDrizzle
9pm55°F13°C4 mph6 km/h SouthwestMostly Cloudy
10pm54°F12°C4 mph7 km/h WestMostly Cloudy
11pm53°F12°C6 mph9 km/h WestMostly Cloudy
May 24
12am52°F11°C6 mph10 km/h WestPartly Cloudy
DateLowHighWindDayNight
May 2347°F8°C60°F16°C5 mph8 km/h from WestDrizzleDrizzle
May 2449°F10°C61°F16°C12 mph20 km/h from WestMostly CloudyMostly Clear
May 2550°F10°C65°F18°C10 mph17 km/h from NorthwestPartly CloudyMostly Clear
May 2651°F10°C70°F21°C6 mph10 km/h from NorthMostly ClearPartly Cloudy
May 2755°F13°C69°F21°C6 mph10 km/h from SouthCloudyCloudy
May 2857°F14°C66°F19°C10 mph17 km/h from SoutheastRainRain
May 2958°F14°C69°F20°C6 mph9 km/h from SouthMostly CloudyMostly Cloudy

Yes

Low of 49°F10°C, High of 61°F16°C
Wind: 12 mph20 km/h
Precipitation: None

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