Yes

you do need a jacket based on the weather in Hillsborough Township, NJ 08844, USA 1 second ago

Why? Because the drizzle is not enough rain to call it "raining," but enough to make you a little soggy and just cool enough for a jacket, but not warm enough to ditch it and the wind makes walking forward feel like moonwalking in reverse!
51°F10°C & Drizzle

Wind is 12 mph19 km/h from the East, gusting to 29 mph46 km/h
October 30
8am51°F10°C12 mph20 km/h EastDrizzle
9am52°F11°C14 mph23 km/h EastDrizzle
10am53°F11°C14 mph23 km/h EastRain
11am53°F12°C15 mph25 km/h EastRain
12pm55°F13°C15 mph24 km/h EastRain
1pm56°F13°C16 mph26 km/h EastRain
2pm57°F14°C18 mph28 km/h EastRain
3pm59°F15°C17 mph28 km/h EastRain
4pm60°F16°C19 mph30 km/h EastRain
5pm61°F16°C18 mph28 km/h EastRain
6pm62°F17°C17 mph28 km/h EastHeavy Rain
7pm63°F17°C15 mph24 km/h EastHeavy Rain
DateLowHighWindDayNight
October 3049°F9°C63°F17°C15 mph24 km/h from EastThunderstormsRain
October 3147°F8°C57°F14°C17 mph27 km/h from WestWindyMostly Clear
November 143°F6°C57°F14°C10 mph16 km/h from WestPartly CloudyPartly Cloudy
November 239°F4°C57°F14°C4 mph6 km/h from WestPartly CloudyMostly Clear
November 339°F4°C61°F16°C7 mph11 km/h from SouthwestMostly ClearMostly Clear
November 442°F5°C59°F15°C9 mph15 km/h from NorthwestMostly ClearMostly Clear
November 539°F4°C60°F15°C6 mph10 km/h from WestPartly CloudyMostly Cloudy

Yes

Low of 47°F9°C, High of 56°F14°C
Wind: 17 mph27 km/h
Precipitation: None

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