Yes

you do need a jacket based on the weather in Yorktown Heights, NY 10598, USA 1 minute ago

Why? Because just cool enough for a jacket, but not warm enough to ditch it and it's so gusty, you’re basically doing accidental parkour!
57°F14°C & Cloudy

Wind is 7 mph11 km/h from the East, gusting to 20 mph32 km/h
May 14
6am57°F14°C7 mph12 km/h EastCloudy
7am58°F14°C8 mph13 km/h EastCloudy
8am59°F15°C10 mph15 km/h EastMostly Cloudy
9am60°F16°C10 mph17 km/h EastCloudy
10am60°F16°C10 mph16 km/h EastCloudy
11am60°F16°C9 mph15 km/h EastDrizzle
12pm60°F16°C10 mph15 km/h SoutheastDrizzle
1pm62°F16°C10 mph16 km/h SoutheastRain
2pm62°F17°C10 mph17 km/h SoutheastRain
3pm63°F17°C11 mph18 km/h EastDrizzle
4pm62°F17°C11 mph18 km/h EastRain
5pm62°F17°C11 mph17 km/h EastRain
DateLowHighWindDayNight
May 1456°F13°C63°F17°C10 mph16 km/h from EastRainRain
May 1558°F15°C73°F23°C4 mph7 km/h from SoutheastDrizzleMostly Cloudy
May 1660°F16°C73°F23°C5 mph8 km/h from SouthRainMostly Cloudy
May 1761°F16°C72°F22°C7 mph11 km/h from SouthHeavy RainRain
May 1855°F13°C68°F20°C11 mph18 km/h from WestPartly CloudyMostly Clear
May 1951°F10°C64°F18°C11 mph18 km/h from NorthwestPartly CloudyPartly Cloudy
May 2049°F9°C62°F17°C10 mph16 km/h from NorthPartly CloudyMostly Cloudy

Yes

Low of 58°F15°C, High of 73°F23°C
Wind: 4 mph7 km/h
Precipitation: 41% rain

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