No
you don't need a jacket based on the weather in Markham, ON L3S 3A6, Canada 1 second ago
67°F19°C & Clear
Wind is 4 mph6 km/h from the Northwest, gusting to 7 mph11 km/h
| August 31 | ||||
| 12pm | 69°F21°C | 3 mph4 km/h Northwest | Clear | |
| 1pm | 71°F22°C | 3 mph4 km/h North | Clear | |
| 2pm | 72°F22°C | 3 mph4 km/h East | Mostly Clear | |
| 3pm | 73°F23°C | 5 mph8 km/h Southeast | Mostly Clear | |
| 4pm | 73°F23°C | 6 mph10 km/h South | Mostly Clear | |
| 5pm | 72°F22°C | 6 mph10 km/h South | Clear | |
| 6pm | 71°F21°C | 5 mph9 km/h South | Clear | |
| 7pm | 69°F21°C | 4 mph6 km/h South | Mostly Clear | |
| 8pm | 66°F19°C | 3 mph5 km/h South | Clear | |
| 9pm | 64°F18°C | 3 mph4 km/h Southwest | Clear | |
| 10pm | 61°F16°C | 3 mph4 km/h Northwest | Clear | |
| 11pm | 59°F15°C | 3 mph5 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 31 | 49°F9°C | 73°F23°C | 4 mph7 km/h from South | Clear | Clear |
| September 1 | 54°F12°C | 74°F23°C | 5 mph8 km/h from Southeast | Clear | Mostly Clear |
| September 2 | 55°F13°C | 74°F23°C | 5 mph7 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 3 | 58°F15°C | 76°F24°C | 7 mph12 km/h from South | Clear | Partly Cloudy |
| September 4 | 58°F14°C | 70°F21°C | 11 mph17 km/h from Southwest | Rain | Rain |
| September 5 | 53°F12°C | 66°F19°C | 8 mph12 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| September 6 | 53°F12°C | 64°F18°C | 10 mph16 km/h from West | Partly Cloudy | Partly Cloudy |
Yes
Low of 55°F13°C, High of 74°F24°CWind: 5 mph8 km/h
Precipitation: None