Yes
you do need a jacket based on the weather in Markham, ON, Canada 1 second ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
44°F6°C & Mostly Clear
Wind is 3 mph5 km/h from the Northeast, gusting to 11 mph17 km/h
| May 9 | ||||
| 12am | 43°F6°C | 3 mph5 km/h East | Clear | |
| 1am | 41°F5°C | 3 mph5 km/h North | Clear | |
| 2am | 40°F4°C | 4 mph7 km/h North | Clear | |
| 3am | 39°F4°C | 5 mph8 km/h North | Clear | |
| 4am | 39°F4°C | 6 mph10 km/h North | Clear | |
| 5am | 39°F4°C | 6 mph10 km/h North | Mostly Clear | |
| 6am | 39°F4°C | 7 mph11 km/h North | Clear | |
| 7am | 41°F5°C | 7 mph11 km/h North | Mostly Clear | |
| 8am | 45°F7°C | 6 mph10 km/h North | Mostly Clear | |
| 9am | 49°F9°C | 6 mph10 km/h North | Mostly Clear | |
| 10am | 52°F11°C | 6 mph9 km/h North | Mostly Clear | |
| 11am | 54°F12°C | 6 mph10 km/h North | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 8 | 43°F6°C | 57°F14°C | 5 mph8 km/h from North | Mostly Cloudy | Mostly Clear |
| May 9 | 39°F4°C | 59°F15°C | 7 mph11 km/h from North | Partly Cloudy | Clear |
| May 10 | 40°F5°C | 68°F20°C | 9 mph15 km/h from Northwest | Mostly Clear | Clear |
| May 11 | 40°F5°C | 62°F17°C | 5 mph9 km/h from Southeast | Clear | Clear |
| May 12 | 44°F7°C | 77°F25°C | 5 mph7 km/h from South | Clear | Mostly Cloudy |
| May 13 | 54°F12°C | 73°F23°C | 7 mph11 km/h from Southeast | Mostly Cloudy | Cloudy |
| May 14 | 56°F14°C | 68°F20°C | 6 mph10 km/h from East | Drizzle | Cloudy |
Yes
Low of 39°F4°C, High of 59°F15°CWind: 7 mph11 km/h
Precipitation: None