Yes

you do need a jacket based on the weather in Côte Saint-Luc, QC, Canada 1 second ago

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet and the wind is offering free, unsolicited face massages!
38°F3°C & Clear

Wind is 8 mph13 km/h from the Northwest, gusting to 21 mph34 km/h
October 16
1pm40°F4°C10 mph15 km/h NorthwestClear
2pm43°F6°C10 mph16 km/h NorthClear
3pm46°F8°C10 mph17 km/h NorthClear
4pm48°F9°C11 mph17 km/h NorthMostly Clear
5pm50°F10°C10 mph16 km/h NorthClear
6pm52°F11°C10 mph16 km/h NorthClear
7pm53°F12°C9 mph15 km/h NorthMostly Clear
8pm53°F12°C9 mph15 km/h NorthClear
9pm53°F11°C8 mph13 km/h NorthClear
10pm50°F10°C6 mph10 km/h NorthClear
11pm47°F9°C6 mph9 km/h NorthClear
October 17
12am46°F8°C6 mph9 km/h NorthClear
DateLowHighWindDayNight
October 1636°F2°C53°F12°C9 mph15 km/h from NorthClearMostly Clear
October 1736°F2°C54°F12°C4 mph6 km/h from WestMostly ClearPartly Cloudy
October 1840°F5°C58°F14°C4 mph7 km/h from SoutheastMostly CloudyMostly Cloudy
October 1950°F10°C69°F21°C13 mph20 km/h from SoutheastPartly CloudyRain
October 2052°F11°C60°F16°C8 mph13 km/h from SouthRainDrizzle
October 2147°F9°C61°F16°C7 mph11 km/h from SoutheastDrizzleRain
October 2248°F9°C57°F14°C7 mph11 km/h from SouthwestRainRain

Yes

Low of 37°F3°C, High of 55°F13°C
Wind: 4 mph6 km/h
Precipitation: None

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