Yes

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

Why? Because the cold's there, but it's just a reminder, not an invasion and it's on the windy side!
42°F5°C & Clear

Wind is 12 mph19 km/h from the Northwest, gusting to 23 mph37 km/h
November 4
6am42°F5°C12 mph19 km/h NorthwestClear
7am41°F5°C11 mph18 km/h NorthwestClear
8am41°F5°C10 mph17 km/h WestClear
9am40°F4°C10 mph16 km/h WestClear
10am40°F4°C10 mph16 km/h WestClear
11am39°F4°C9 mph15 km/h WestClear
12pm39°F4°C10 mph15 km/h WestClear
1pm41°F5°C10 mph17 km/h WestMostly Clear
2pm45°F7°C11 mph18 km/h WestClear
3pm48°F9°C12 mph20 km/h WestClear
4pm51°F11°C14 mph22 km/h WestClear
5pm53°F12°C16 mph25 km/h WestWindy
DateLowHighWindDayNight
November 439°F4°C54°F12°C12 mph20 km/h from WestMostly ClearMostly Cloudy
November 541°F5°C54°F12°C15 mph23 km/h from SouthwestRainPartly Cloudy
November 636°F2°C44°F7°C8 mph12 km/h from NorthwestPartly CloudyMostly Cloudy
November 738°F3°C52°F11°C12 mph19 km/h from SouthDrizzleDrizzle
November 836°F2°C49°F9°C10 mph15 km/h from NorthwestMostly CloudyRain
November 934°F1°C45°F7°C11 mph17 km/h from NorthRainDrizzle
November 1027°F-3°C36°F2°C10 mph17 km/h from NorthwestPartly CloudyPartly Cloudy

Yes

Low of 41°F5°C, High of 54°F12°C
Wind: 15 mph23 km/h
Precipitation: 86% rain

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