Yes

you do need a jacket based on the weather in Toronto, ON, Canada 28 minutes ago

Why? Because light rain: when the sky can't decide if it’s serious or just messing with you!
66°F19°C & Drizzle

Wind is 5 mph8 km/h from the Southwest, gusting to 12 mph20 km/h
September 23
4am66°F19°C5 mph8 km/h SouthwestCloudy
5am65°F19°C5 mph8 km/h SouthwestCloudy
6am65°F18°C5 mph8 km/h SouthwestCloudy
7am64°F18°C4 mph7 km/h SouthwestCloudy
8am65°F18°C4 mph6 km/h SouthwestPartly Cloudy
9am67°F19°C5 mph7 km/h SouthwestPartly Cloudy
10am68°F20°C4 mph6 km/h WestPartly Cloudy
11am70°F21°C4 mph6 km/h SouthwestMostly Cloudy
12pm72°F22°C3 mph5 km/h SouthwestPartly Cloudy
1pm74°F23°C4 mph6 km/h SouthPartly Cloudy
2pm74°F24°C4 mph6 km/h SouthMostly Clear
3pm75°F24°C4 mph6 km/h SouthPartly Cloudy
DateLowHighWindDayNight
September 2364°F18°C75°F24°C3 mph5 km/h from SouthwestDrizzleDrizzle
September 2464°F18°C71°F21°C7 mph11 km/h from EastDrizzleRain
September 2563°F17°C72°F22°C9 mph14 km/h from SouthRainDrizzle
September 2660°F16°C73°F23°C5 mph9 km/h from WestPartly CloudyMostly Clear
September 2760°F16°C74°F23°C8 mph13 km/h from SouthwestMostly ClearClear
September 2859°F15°C73°F23°C6 mph10 km/h from WestClearClear
September 2957°F14°C73°F23°C5 mph8 km/h from NorthwestClearClear

No

Low of 64°F18°C, High of 71°F22°C
Wind: 7 mph11 km/h
Precipitation: 53% rain

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