Yes

you do need a jacket based on the weather in Burnaby, BC V5C 3S3, Canada 1 second ago

Why? Because looks like it's raining and it's not very warm out and the wind is harsh and biting!
50°F10°C & Rain

Wind is 7 mph12 km/h from the South, gusting to 21 mph34 km/h
November 6
10am50°F10°C8 mph13 km/h SouthRain
11am50°F10°C8 mph12 km/h SouthRain
12pm49°F10°C6 mph10 km/h SouthDrizzle
1pm48°F9°C5 mph8 km/h SouthDrizzle
2pm48°F9°C4 mph7 km/h SoutheastDrizzle
3pm48°F9°C4 mph6 km/h SoutheastCloudy
4pm47°F8°C5 mph8 km/h EastDrizzle
5pm49°F9°C6 mph9 km/h SoutheastDrizzle
6pm50°F10°C7 mph11 km/h EastDrizzle
7pm51°F10°C8 mph12 km/h EastRain
8pm51°F11°C8 mph13 km/h EastRain
9pm51°F11°C10 mph16 km/h EastRain
DateLowHighWindDayNight
November 647°F8°C53°F11°C8 mph13 km/h from SoutheastRainDrizzle
November 744°F7°C51°F11°C5 mph8 km/h from SouthDrizzleMostly Cloudy
November 840°F5°C55°F13°C3 mph5 km/h from NortheastMostly CloudyMostly Cloudy
November 944°F7°C59°F15°C2 mph3 km/h from NortheastRainRain
November 1047°F8°C54°F12°C3 mph6 km/h from EastMostly CloudyMostly Cloudy
November 1145°F7°C52°F11°C2 mph3 km/h from EastMostly CloudyCloudy
November 1244°F7°C54°F12°C2 mph3 km/h from NorthwestCloudyCloudy

Yes

Low of 45°F7°C, High of 51°F11°C
Wind: 5 mph8 km/h
Precipitation: 73% rain

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