Yes

you do need a jacket based on the weather in Burlington, ON L7L 7E1, Canada 1 second ago

Why? Because it's really really huffing out there!
63°F17°C & Windy

Wind is 22 mph36 km/h from the West, gusting to 43 mph69 km/h
April 3
2pm63°F17°C23 mph37 km/h WestWindy
3pm63°F17°C21 mph33 km/h WestWindy
4pm62°F17°C20 mph33 km/h WestWindy
5pm61°F16°C17 mph27 km/h WestWindy
6pm58°F14°C14 mph22 km/h WestCloudy
7pm55°F13°C12 mph19 km/h WestCloudy
8pm51°F10°C11 mph17 km/h NorthwestCloudy
9pm48°F9°C10 mph17 km/h NorthwestCloudy
10pm46°F8°C10 mph16 km/h NorthwestCloudy
11pm44°F7°C8 mph13 km/h NorthwestCloudy
April 4
12am43°F6°C7 mph11 km/h NorthwestCloudy
1am41°F5°C6 mph10 km/h NorthwestCloudy
DateLowHighWindDayNight
April 337°F3°C64°F18°C17 mph27 km/h from WestWindyCloudy
April 436°F2°C48°F9°C5 mph9 km/h from NortheastPartly CloudyRain
April 538°F3°C52°F11°C8 mph12 km/h from NortheastRainDrizzle
April 633°F1°C45°F7°C10 mph16 km/h from NorthwestMostly CloudyPartly Cloudy
April 730°F-1°C43°F6°C7 mph12 km/h from SouthwestMostly CloudySnow
April 826°F-3°C33°F1°C17 mph28 km/h from NorthwestWindyPartly Cloudy
April 926°F-3°C40°F4°C7 mph12 km/h from WestPartly CloudyPartly Cloudy

Yes

Low of 37°F3°C, High of 48°F9°C
Wind: 5 mph9 km/h
Precipitation: None

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