Yes

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

Why? Because it's so windy, your hat has officially retired from your head!
69°F21°C & Cloudy

Wind is 11 mph18 km/h from the North, gusting to 20 mph32 km/h
October 15
7pm69°F21°C11 mph18 km/h NorthMostly Clear
8pm68°F20°C11 mph18 km/h NorthMostly Clear
9pm66°F19°C11 mph18 km/h NorthClear
10pm62°F17°C10 mph16 km/h NorthClear
11pm58°F14°C9 mph15 km/h NorthClear
October 16
12am55°F13°C11 mph17 km/h NorthClear
1am53°F12°C10 mph15 km/h NorthClear
2am52°F11°C9 mph15 km/h NorthClear
3am50°F10°C9 mph15 km/h NorthClear
4am49°F9°C9 mph14 km/h NorthMostly Clear
5am47°F9°C8 mph13 km/h NorthMostly Clear
6am46°F8°C8 mph12 km/h NorthMostly Clear
DateLowHighWindDayNight
October 1549°F9°C70°F21°C7 mph11 km/h from NorthMostly ClearMostly Clear
October 1642°F6°C60°F16°C11 mph18 km/h from NorthwestClearClear
October 1741°F5°C63°F17°C7 mph11 km/h from NorthwestClearMostly Clear
October 1841°F5°C65°F18°C2 mph4 km/h from SouthwestPartly CloudyPartly Cloudy
October 1949°F10°C71°F22°C9 mph15 km/h from SouthMostly CloudyDrizzle
October 2052°F11°C62°F17°C11 mph17 km/h from WestRainDrizzle
October 2147°F8°C64°F18°C7 mph12 km/h from WestDrizzleMostly Clear

Yes

Low of 42°F6°C, High of 60°F16°C
Wind: 11 mph18 km/h
Precipitation: None

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