No
you don't need a jacket based on the weather in Markham, ON, Canada 10 minutes ago
74°F23°C & Mostly Clear
Wind is 7 mph11 km/h from the Southeast, gusting to 11 mph17 km/h
| May 15 | ||||
| 6pm | 73°F23°C | 7 mph12 km/h Southeast | Mostly Clear | |
| 7pm | 70°F21°C | 7 mph12 km/h Southeast | Mostly Clear | |
| 8pm | 66°F19°C | 6 mph10 km/h Southeast | Mostly Clear | |
| 9pm | 63°F17°C | 5 mph9 km/h East | Mostly Clear | |
| 10pm | 61°F16°C | 5 mph8 km/h East | Partly Cloudy | |
| 11pm | 60°F16°C | 5 mph9 km/h East | Partly Cloudy | |
| May 16 | ||||
| 12am | 59°F15°C | 4 mph7 km/h East | Mostly Clear | |
| 1am | 58°F14°C | 4 mph7 km/h East | Partly Cloudy | |
| 2am | 57°F14°C | 4 mph6 km/h East | Partly Cloudy | |
| 3am | 57°F14°C | 4 mph7 km/h East | Cloudy | |
| 4am | 56°F13°C | 5 mph8 km/h East | Cloudy | |
| 5am | 56°F13°C | 6 mph9 km/h Southeast | Drizzle | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 15 | 57°F14°C | 74°F24°C | 5 mph8 km/h from Southeast | Partly Cloudy | Rain |
| May 16 | 56°F13°C | 79°F26°C | 6 mph9 km/h from Southwest | Rain | Rain |
| May 17 | 54°F12°C | 67°F19°C | 11 mph18 km/h from Southwest | Rain | Drizzle |
| May 18 | 48°F9°C | 61°F16°C | 16 mph26 km/h from Northwest | Windy | Partly Cloudy |
| May 19 | 43°F6°C | 58°F14°C | 12 mph19 km/h from Northwest | Mostly Clear | Clear |
| May 20 | 41°F5°C | 61°F16°C | 8 mph13 km/h from North | Partly Cloudy | Mostly Cloudy |
| May 21 | 48°F9°C | 59°F15°C | 9 mph15 km/h from East | Mostly Cloudy | Drizzle |
Yes
Low of 55°F13°C, High of 80°F27°CWind: 6 mph9 km/h
Precipitation: 51% rain