Yes

you do need a jacket based on the weather in Vancouver, BC, Canada 1 second ago

Why? Because it's not very warm out!
55°F13°C & Clear

Wind is 6 mph10 km/h from the West, gusting to 10 mph16 km/h
October 14
9pm56°F13°C7 mph11 km/h WestClear
10pm56°F14°C7 mph12 km/h WestClear
11pm57°F14°C7 mph11 km/h WestClear
October 15
12am56°F13°C6 mph10 km/h WestClear
1am54°F12°C5 mph8 km/h WestClear
2am52°F11°C5 mph8 km/h WestClear
3am51°F10°C5 mph8 km/h NorthwestClear
4am50°F10°C5 mph8 km/h NorthwestClear
5am49°F9°C3 mph5 km/h NorthClear
6am48°F9°C3 mph4 km/h NorthClear
7am47°F8°C2 mph4 km/h NortheastClear
8am47°F8°C3 mph4 km/h NortheastClear
DateLowHighWindDayNight
October 1438°F3°C57°F14°C4 mph7 km/h from WestClearClear
October 1543°F6°C58°F14°C2 mph4 km/h from SouthwestMostly ClearMostly Clear
October 1644°F7°C55°F13°C5 mph9 km/h from SoutheastMostly CloudyDrizzle
October 1746°F8°C56°F13°C6 mph10 km/h from WestPartly CloudyRain
October 1847°F8°C52°F11°C6 mph10 km/h from EastRainRain
October 1947°F9°C54°F12°C4 mph7 km/h from SoutheastRainPartly Cloudy
October 2044°F7°C53°F12°C3 mph5 km/h from SouthDrizzleRain

Yes

Low of 43°F6°C, High of 58°F15°C
Wind: 2 mph4 km/h
Precipitation: None

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