Yes

you do need a jacket based on the weather in Ithaca, NY, USA 27 seconds ago

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer and it's really really huffing out there!
43°F6°C & Windy

Wind is 15 mph24 km/h from the West, gusting to 38 mph61 km/h
October 31
9pm42°F6°C17 mph28 km/h WestDrizzle
10pm41°F5°C17 mph28 km/h WestDrizzle
11pm41°F5°C16 mph26 km/h WestDrizzle
November 1
12am40°F5°C15 mph25 km/h WestWindy
1am40°F4°C16 mph26 km/h WestWindy
2am39°F4°C16 mph26 km/h WestWindy
3am40°F4°C15 mph25 km/h WestWindy
4am40°F5°C15 mph24 km/h WestMostly Cloudy
5am40°F4°C14 mph22 km/h WestMostly Cloudy
6am40°F4°C12 mph20 km/h WestPartly Cloudy
7am40°F4°C11 mph17 km/h WestPartly Cloudy
8am39°F4°C10 mph17 km/h WestPartly Cloudy
DateLowHighWindDayNight
October 3139°F4°C46°F8°C10 mph16 km/h from WestDrizzleDrizzle
November 139°F4°C48°F9°C11 mph18 km/h from NorthwestMostly CloudyMostly Cloudy
November 236°F2°C50°F10°C3 mph5 km/h from WestPartly CloudyMostly Clear
November 339°F4°C54°F12°C10 mph16 km/h from SouthDrizzleDrizzle
November 440°F4°C49°F9°C12 mph20 km/h from NorthwestMostly ClearPartly Cloudy
November 539°F4°C50°F10°C7 mph11 km/h from SouthMostly CloudyDrizzle
November 639°F4°C49°F10°C11 mph17 km/h from NorthwestPartly CloudyMostly Cloudy

Yes

Low of 39°F4°C, High of 48°F9°C
Wind: 11 mph18 km/h
Precipitation: None

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