Yes

you do need a jacket based on the weather in Toronto (Dorset Park), Ontario, Canada 1 second ago

Why? Because a jacket will keep you cozy, but you won't break a seat!
56°F14°C & Mostly Clear

Wind is 4 mph7 km/h from the North, gusting to 9 mph15 km/h
September 11
4am56°F13°C5 mph7 km/h NorthMostly Clear
5am55°F13°C5 mph8 km/h NorthClear
6am55°F13°C5 mph8 km/h NorthClear
7am55°F13°C5 mph9 km/h NorthClear
8am57°F14°C5 mph9 km/h NorthClear
9am62°F17°C6 mph9 km/h NorthClear
10am67°F19°C5 mph8 km/h NorthClear
11am70°F21°C5 mph7 km/h NorthClear
12pm72°F22°C4 mph6 km/h NorthClear
1pm74°F23°C4 mph6 km/h NortheastMostly Clear
2pm75°F24°C3 mph5 km/h NortheastMostly Clear
3pm75°F24°C2 mph4 km/h SoutheastPartly Cloudy
DateLowHighWindDayNight
September 1155°F13°C75°F24°C4 mph6 km/h from NorthMostly ClearMostly Clear
September 1257°F14°C72°F22°C5 mph8 km/h from EastPartly CloudyPartly Cloudy
September 1358°F14°C74°F23°C4 mph6 km/h from SouthwestMostly CloudyPartly Cloudy
September 1459°F15°C75°F24°C4 mph6 km/h from NortheastMostly ClearMostly Clear
September 1557°F14°C73°F23°C6 mph10 km/h from EastMostly ClearClear
September 1658°F15°C74°F23°C6 mph10 km/h from EastClearPartly Cloudy
September 1759°F15°C75°F24°C4 mph7 km/h from SoutheastMostly ClearMostly Clear

Yes

Low of 57°F14°C, High of 72°F22°C
Wind: 5 mph8 km/h
Precipitation: None

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