Yes

you do need a jacket based on the weather in Oakville, ON, Canada 1 second ago

Why? Because there's a refreshing nip in the air.
44°F7°C & Partly Cloudy

Wind is 13 mph21 km/h from the W, gusting to 23 mph37 km/h
April 20
10am44°F7°C14 mph22 km/h WPartly Cloudy
11am45°F7°C15 mph24 km/h WWindy
12pm45°F7°C15 mph25 km/h WWindy
1pm46°F8°C16 mph25 km/h WWindy
2pm47°F8°C16 mph26 km/h WWindy
3pm48°F9°C16 mph26 km/h WWindy
4pm49°F9°C16 mph25 km/h WWindy
5pm49°F9°C15 mph24 km/h WMostly Cloudy
6pm48°F9°C14 mph22 km/h WMostly Cloudy
7pm47°F8°C13 mph20 km/h WPartly Cloudy
8pm45°F7°C10 mph17 km/h WPartly Cloudy
9pm43°F6°C8 mph13 km/h WPartly Cloudy
DateLowHighWindDayNight
April 2038°F3°C49°F9°C14 mph23 km/h from WMostly CloudyPartly Cloudy
April 2135°F2°C53°F12°C13 mph21 km/h from WPartly CloudyClear
April 2232°F-0°C54°F12°C6 mph9 km/h from SWMostly ClearPartly Cloudy
April 2342°F5°C60°F16°C17 mph28 km/h from SWDrizzleDrizzle
April 2439°F4°C54°F12°C12 mph20 km/h from NPartly CloudyMostly Clear
April 2534°F1°C50°F10°C8 mph13 km/h from NEPartly CloudyMostly Clear
April 2636°F2°C55°F13°C7 mph12 km/h from NEMostly ClearCloudy

Yes

Low of 35°F2°C, High of 53°F12°C
Wind: 13 mph21 km/h
Precipitation: None

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