Yes
you do need a jacket based on the weather in Markham, ON, Canada 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
52°F11°C & Clear
Wind is 2 mph4 km/h from the North, gusting to 6 mph9 km/h
| September 17 | ||||
| 7am | 52°F11°C | 3 mph5 km/h North | Clear | |
| 8am | 54°F12°C | 4 mph6 km/h North | Mostly Clear | |
| 9am | 60°F16°C | 3 mph4 km/h Northeast | Mostly Clear | |
| 10am | 66°F19°C | 2 mph4 km/h East | Partly Cloudy | |
| 11am | 70°F21°C | 3 mph4 km/h Southeast | Partly Cloudy | |
| 12pm | 74°F23°C | 3 mph5 km/h Southeast | Partly Cloudy | |
| 1pm | 76°F24°C | 3 mph5 km/h Southeast | Partly Cloudy | |
| 2pm | 77°F25°C | 3 mph5 km/h Southeast | Mostly Cloudy | |
| 3pm | 78°F25°C | 3 mph6 km/h Southeast | Mostly Cloudy | |
| 4pm | 78°F25°C | 4 mph7 km/h Southeast | Mostly Cloudy | |
| 5pm | 77°F25°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 6pm | 75°F24°C | 5 mph8 km/h Southeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 52°F11°C | 78°F25°C | 3 mph6 km/h from Southeast | Partly Cloudy | Mostly Clear |
| September 18 | 56°F14°C | 80°F27°C | 6 mph9 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 19 | 53°F12°C | 70°F21°C | 6 mph10 km/h from North | Clear | Clear |
| September 20 | 46°F8°C | 65°F19°C | 8 mph13 km/h from East | Clear | Mostly Clear |
| September 21 | 54°F12°C | 76°F24°C | 8 mph13 km/h from Southeast | Mostly Clear | Partly Cloudy |
| September 22 | 63°F17°C | 75°F24°C | 7 mph12 km/h from South | Rain | Drizzle |
| September 23 | 62°F17°C | 73°F23°C | 7 mph11 km/h from South | Rain | Rain |
Yes
Low of 56°F14°C, High of 80°F27°CWind: 6 mph9 km/h
Precipitation: 48% rain