Yes

you do need a jacket based on the weather in Hillside, NJ 07205, USA 1 second ago

Why? Because it's so windy, even the squirrels are holding onto branches for dear life!
61°F16°C & Cloudy

Wind is 8 mph13 km/h from the East, gusting to 21 mph34 km/h
May 14
3am60°F16°C9 mph14 km/h EastCloudy
4am60°F15°C9 mph14 km/h EastDrizzle
5am59°F15°C9 mph14 km/h EastDrizzle
6am59°F15°C9 mph15 km/h EastDrizzle
7am60°F15°C9 mph14 km/h EastRain
8am60°F15°C10 mph16 km/h EastDrizzle
9am60°F16°C10 mph16 km/h EastDrizzle
10am60°F16°C11 mph17 km/h EastDrizzle
11am61°F16°C11 mph18 km/h EastDrizzle
12pm61°F16°C11 mph18 km/h EastRain
1pm61°F16°C11 mph18 km/h EastRain
2pm62°F16°C12 mph19 km/h EastRain
DateLowHighWindDayNight
May 1459°F15°C63°F17°C10 mph17 km/h from EastHeavy RainDrizzle
May 1559°F15°C71°F22°C5 mph8 km/h from EastDrizzleCloudy
May 1661°F16°C73°F23°C4 mph7 km/h from SouthRainDrizzle
May 1762°F17°C73°F23°C6 mph9 km/h from SouthRainMostly Clear
May 1859°F15°C72°F22°C12 mph19 km/h from WestPartly CloudyMostly Clear
May 1954°F12°C71°F21°C10 mph16 km/h from NorthwestPartly CloudyMostly Clear
May 2053°F12°C70°F21°C7 mph11 km/h from NorthPartly CloudyMostly Cloudy

No

Low of 59°F15°C, High of 71°F22°C
Wind: 5 mph8 km/h
Precipitation: 52% rain

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