No
you don't need a jacket based on the weather in Toronto Buttonville Municipal Airport, 2833 16th Ave, Markham, ON L3R 0P8, Canada 1 second ago
78°F26°C & Cloudy
Wind is 4 mph6 km/h from the Southeast, gusting to 6 mph9 km/h
| September 17 | ||||
| 3pm | 79°F26°C | 4 mph7 km/h Southeast | Partly Cloudy | |
| 4pm | 79°F26°C | 5 mph8 km/h Southeast | Partly Cloudy | |
| 5pm | 78°F25°C | 6 mph10 km/h Southeast | Partly Cloudy | |
| 6pm | 76°F25°C | 6 mph10 km/h Southeast | Mostly Clear | |
| 7pm | 73°F23°C | 4 mph7 km/h Southeast | Mostly Clear | |
| 8pm | 69°F21°C | 3 mph5 km/h Southeast | Clear | |
| 9pm | 67°F19°C | 2 mph2 km/h Southeast | Clear | |
| 10pm | 65°F18°C | 1 mph2 km/h Northeast | Clear | |
| 11pm | 63°F17°C | 1 mph2 km/h Northeast | Clear | |
| September 18 | ||||
| 12am | 62°F17°C | 2 mph3 km/h Northwest | Clear | |
| 1am | 61°F16°C | 3 mph4 km/h Northwest | Clear | |
| 2am | 60°F15°C | 3 mph5 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 51°F11°C | 79°F26°C | 3 mph5 km/h from Southeast | Mostly Clear | Clear |
| September 18 | 56°F13°C | 81°F27°C | 5 mph8 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 19 | 54°F12°C | 70°F21°C | 7 mph11 km/h from North | Mostly Clear | Clear |
| September 20 | 48°F9°C | 66°F19°C | 8 mph13 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 54°F12°C | 75°F24°C | 8 mph12 km/h from Southeast | Partly Cloudy | Drizzle |
| September 22 | 63°F17°C | 76°F24°C | 7 mph11 km/h from South | Rain | Drizzle |
| September 23 | 63°F17°C | 73°F23°C | 5 mph9 km/h from Southwest | Drizzle | Mostly Cloudy |
Yes
Low of 55°F13°C, High of 81°F27°CWind: 5 mph8 km/h
Precipitation: None