Yes

you do need a jacket based on the weather in North York, ON, Canada 1 second ago

Why? Because it's colder than a polar bear's pyjamas and the wind is harsh and biting!
15°F-9°C & Partly Cloudy

Wind is 11 mph17 km/h from the Northwest, gusting to 21 mph34 km/h
January 8
3pm15°F-9°C11 mph17 km/h NorthwestMostly Cloudy
4pm15°F-9°C10 mph16 km/h NorthwestMostly Cloudy
5pm14°F-10°C9 mph15 km/h NorthwestMostly Cloudy
6pm14°F-10°C8 mph13 km/h NorthwestMostly Cloudy
7pm13°F-10°C8 mph12 km/h NorthwestMostly Cloudy
8pm13°F-10°C8 mph13 km/h NorthwestMostly Cloudy
9pm13°F-11°C9 mph14 km/h NorthwestPartly Cloudy
10pm12°F-11°C8 mph14 km/h NorthwestPartly Cloudy
11pm12°F-11°C9 mph14 km/h NorthwestPartly Cloudy
January 9
12am11°F-11°C9 mph14 km/h NorthwestPartly Cloudy
1am11°F-12°C9 mph14 km/h NorthwestPartly Cloudy
2am11°F-12°C9 mph15 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
January 88°F-14°C19°F-7°C7 mph12 km/h from NorthwestPartly CloudyPartly Cloudy
January 910°F-12°C23°F-5°C9 mph15 km/h from NorthwestPartly CloudyMostly Clear
January 1012°F-11°C29°F-2°C5 mph8 km/h from SouthwestMostly CloudySnow
January 1123°F-5°C32°F-0°C7 mph11 km/h from WestMostly CloudyMostly Cloudy
January 1220°F-7°C30°F-1°C3 mph5 km/h from SouthwestMostly CloudyCloudy
January 1325°F-4°C31°F-0°C4 mph6 km/h from SouthwestCloudyCloudy
January 1418°F-8°C26°F-3°C8 mph13 km/h from WestCloudyMostly Cloudy

Yes

Low of 10°F-12°C, High of 23°F-5°C
Wind: 9 mph15 km/h
Precipitation: None

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