Yes

you do need a jacket based on the weather in Yonkers, NY, USA 4 minutes ago

Why? Because it's quite chilly and there are strong winds blowing out there!
34°F1°C & Clear

Wind is 11 mph18 km/h from the North, gusting to 29 mph47 km/h
March 18
8am35°F2°C12 mph19 km/h NorthClear
9am38°F3°C12 mph20 km/h NorthClear
10am41°F5°C13 mph20 km/h NorthClear
11am44°F7°C12 mph19 km/h NorthClear
12pm48°F9°C11 mph18 km/h NorthClear
1pm51°F11°C10 mph15 km/h NorthClear
2pm54°F12°C8 mph13 km/h NorthClear
3pm56°F13°C6 mph10 km/h NorthClear
4pm57°F14°C6 mph10 km/h NorthwestClear
5pm57°F14°C5 mph9 km/h NorthwestClear
6pm56°F14°C4 mph6 km/h NorthClear
7pm53°F12°C2 mph4 km/h NorthClear
DateLowHighWindDayNight
March 1834°F1°C57°F14°C9 mph14 km/h from NorthClearClear
March 1939°F4°C60°F15°C5 mph8 km/h from SoutheastMostly ClearCloudy
March 2042°F5°C52°F11°C10 mph15 km/h from SoutheastCloudyRain
March 2137°F3°C48°F9°C17 mph27 km/h from NorthwestDrizzleClear
March 2235°F2°C55°F13°C7 mph11 km/h from SouthwestMostly CloudyPartly Cloudy
March 2334°F1°C47°F8°C10 mph16 km/h from NorthwestClearPartly Cloudy
March 2434°F1°C50°F10°C9 mph15 km/h from SoutheastDrizzleRain

Yes

Low of 39°F4°C, High of 60°F16°C
Wind: 5 mph8 km/h
Precipitation: None

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