Yes

you do need a jacket based on the weather in Laval, QC, Canada 1 second ago

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
45°F7°C & Mostly Clear

Wind is 4 mph6 km/h from the Northeast, gusting to 7 mph12 km/h
October 28
12am44°F7°C4 mph7 km/h NortheastMostly Clear
1am42°F6°C4 mph7 km/h NortheastMostly Clear
2am41°F5°C5 mph7 km/h NorthMostly Clear
3am40°F4°C5 mph7 km/h NortheastMostly Clear
4am39°F4°C5 mph8 km/h NortheastMostly Clear
5am39°F4°C5 mph8 km/h NortheastPartly Cloudy
6am39°F4°C5 mph7 km/h NortheastPartly Cloudy
7am38°F3°C5 mph8 km/h NortheastPartly Cloudy
8am38°F3°C5 mph8 km/h NortheastMostly Clear
9am38°F3°C5 mph8 km/h NortheastPartly Cloudy
10am37°F3°C5 mph8 km/h NortheastMostly Clear
11am37°F3°C5 mph8 km/h NortheastMostly Clear
DateLowHighWindDayNight
October 2736°F2°C53°F12°C2 mph3 km/h from NortheastMostly ClearMostly Clear
October 2837°F3°C53°F11°C6 mph10 km/h from NortheastMostly ClearMostly Clear
October 2936°F2°C52°F11°C8 mph12 km/h from NortheastMostly ClearPartly Cloudy
October 3037°F3°C49°F10°C8 mph13 km/h from NortheastRainRain
October 3144°F7°C54°F12°C10 mph16 km/h from NorthwestRainDrizzle
November 139°F4°C46°F8°C15 mph24 km/h from WestCloudyMostly Cloudy
November 235°F2°C44°F7°C9 mph14 km/h from WestMostly CloudyPartly Cloudy

Yes

Low of 37°F3°C, High of 53°F12°C
Wind: 6 mph10 km/h
Precipitation: None

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