Yes

you do need a jacket based on the weather in New York, NY 10018, USA 1 second ago

Why? Because there's a refreshing nip in the air.
42°F5°C & Partly Cloudy

Wind is 2 mph4 km/h from the NE, gusting to 5 mph8 km/h
April 26
7am42°F6°C3 mph5 km/h NEClear
8am45°F7°C3 mph5 km/h NEClear
9am48°F9°C3 mph5 km/h NEClear
10am51°F11°C3 mph5 km/h EClear
11am54°F12°C4 mph6 km/h EClear
12pm57°F14°C4 mph7 km/h SEClear
1pm58°F15°C5 mph9 km/h SEClear
2pm59°F15°C7 mph12 km/h SMostly Clear
3pm60°F15°C9 mph14 km/h SMostly Clear
4pm59°F15°C9 mph15 km/h SMostly Clear
5pm58°F15°C10 mph16 km/h SClear
6pm57°F14°C10 mph16 km/h SClear
DateLowHighWindDayNight
April 2641°F5°C60°F15°C6 mph10 km/h from SEClearClear
April 2743°F6°C59°F15°C9 mph15 km/h from SPartly CloudyRain
April 2849°F9°C73°F23°C7 mph11 km/h from SMostly CloudyPartly Cloudy
April 2961°F16°C83°F28°C6 mph10 km/h from SEPartly CloudyPartly Cloudy
April 3057°F14°C69°F21°C7 mph12 km/h from SEMostly CloudyMostly Cloudy
May 155°F13°C73°F23°C8 mph12 km/h from SEMostly ClearMostly Cloudy
May 253°F12°C71°F22°C7 mph12 km/h from SPartly CloudyMostly Cloudy

Yes

Low of 44°F7°C, High of 59°F15°C
Wind: 9 mph15 km/h
Precipitation: None

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