Yes

you do need a jacket based on the weather in Vancouver International Airport (YVR), 3211 Grant McConachie Wy, Richmond, BC V7B 0A4, Canada 1 second ago

Why? Because just cool enough for a jacket, but not warm enough to ditch it!
52°F11°C & Mostly Cloudy

Wind is 2 mph4 km/h from the East, gusting to 6 mph9 km/h
April 27
1pm53°F12°C3 mph4 km/h EastMostly Cloudy
2pm54°F12°C2 mph4 km/h SoutheastMostly Cloudy
3pm56°F13°C3 mph4 km/h SouthMostly Cloudy
4pm57°F14°C4 mph6 km/h SouthwestPartly Cloudy
5pm58°F15°C6 mph9 km/h SouthwestMostly Clear
6pm59°F15°C6 mph10 km/h SouthwestMostly Clear
7pm60°F15°C6 mph9 km/h SouthwestClear
8pm60°F16°C5 mph9 km/h SouthwestClear
9pm60°F15°C5 mph7 km/h SouthwestClear
10pm59°F15°C3 mph6 km/h SouthMostly Clear
11pm57°F14°C2 mph3 km/h SoutheastMostly Clear
April 28
12am55°F13°C3 mph5 km/h EastMostly Clear
DateLowHighWindDayNight
April 2746°F8°C60°F16°C4 mph6 km/h from SouthPartly CloudyPartly Cloudy
April 2849°F9°C54°F12°C9 mph14 km/h from SoutheastRainRain
April 2949°F10°C60°F15°C6 mph9 km/h from SouthwestPartly CloudyMostly Clear
April 3047°F9°C62°F17°C4 mph7 km/h from SouthPartly CloudyPartly Cloudy
May 147°F9°C67°F19°C3 mph5 km/h from SouthwestMostly ClearMostly Clear
May 249°F9°C60°F16°C6 mph10 km/h from SoutheastRainRain
May 344°F7°C53°F12°C9 mph14 km/h from WestPartly CloudyPartly Cloudy

Yes

Low of 49°F10°C, High of 55°F13°C
Wind: 9 mph14 km/h
Precipitation: 79% rain

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