Yes
you do need a jacket based on the weather in Markham (Berczy Village), Ontario, Canada 1 second ago
Why? Because it's not very warm out!
55°F13°C & Partly Cloudy
Wind is 5 mph8 km/h from the East, gusting to 11 mph18 km/h
| September 10 | ||||
| 2am | 54°F12°C | 5 mph8 km/h East | Mostly Cloudy | |
| 3am | 54°F12°C | 5 mph7 km/h East | Mostly Clear | |
| 4am | 52°F11°C | 4 mph6 km/h Northeast | Partly Cloudy | |
| 5am | 52°F11°C | 4 mph6 km/h North | Cloudy | |
| 6am | 51°F11°C | 4 mph6 km/h Northeast | Mostly Cloudy | |
| 7am | 51°F11°C | 4 mph6 km/h Northeast | Mostly Cloudy | |
| 8am | 54°F12°C | 3 mph5 km/h North | Mostly Cloudy | |
| 9am | 59°F15°C | 2 mph4 km/h Northeast | Mostly Cloudy | |
| 10am | 64°F18°C | 2 mph4 km/h East | Mostly Cloudy | |
| 11am | 68°F20°C | 2 mph4 km/h Southeast | Partly Cloudy | |
| 12pm | 71°F21°C | 3 mph4 km/h South | Mostly Cloudy | |
| 1pm | 72°F22°C | 3 mph5 km/h South | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 10 | 51°F11°C | 74°F24°C | 3 mph5 km/h from Southeast | Mostly Cloudy | Partly Cloudy |
| September 11 | 54°F12°C | 75°F24°C | 4 mph6 km/h from North | Mostly Clear | Mostly Clear |
| September 12 | 55°F13°C | 73°F23°C | 5 mph7 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
| September 13 | 57°F14°C | 73°F23°C | 4 mph7 km/h from Southwest | Mostly Cloudy | Thunderstorms |
| September 14 | 57°F14°C | 71°F21°C | 7 mph11 km/h from North | Partly Cloudy | Clear |
| September 15 | 52°F11°C | 71°F21°C | 5 mph8 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 16 | 55°F13°C | 76°F24°C | 5 mph7 km/h from North | Partly Cloudy | Mostly Clear |
Yes
Low of 55°F13°C, High of 75°F24°CWind: 4 mph6 km/h
Precipitation: None