Yes
you do need a jacket based on the weather in Vaughan (Concord), Ontario, Canada 1 second ago
Why? Because it's cold enough to freeze the brass off a bald monkey!
27°F-3°C & Cloudy
Wind is 7 mph12 km/h from the Southeast, gusting to 16 mph25 km/h
| December 15 | ||||
| 6am | 27°F-3°C | 7 mph12 km/h Southeast | Cloudy | |
| 7am | 27°F-3°C | 7 mph12 km/h Southeast | Cloudy | |
| 8am | 28°F-2°C | 7 mph11 km/h Southeast | Cloudy | |
| 9am | 30°F-1°C | 7 mph11 km/h Southeast | Cloudy | |
| 10am | 32°F-0°C | 7 mph11 km/h Southeast | Cloudy | |
| 11am | 33°F1°C | 7 mph12 km/h Southeast | Cloudy | |
| 12pm | 35°F2°C | 8 mph13 km/h Southeast | Cloudy | |
| 1pm | 36°F2°C | 8 mph13 km/h Southeast | Cloudy | |
| 2pm | 36°F2°C | 8 mph13 km/h Southeast | Cloudy | |
| 3pm | 35°F2°C | 9 mph14 km/h East | Cloudy | |
| 4pm | 35°F2°C | 9 mph14 km/h Southeast | Snow | |
| 5pm | 35°F2°C | 9 mph14 km/h Southeast | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 15 | 27°F-3°C | 36°F2°C | 8 mph13 km/h from Southeast | Snow | Cloudy |
| December 16 | 34°F1°C | 46°F8°C | 9 mph14 km/h from Southeast | Rain | Rain |
| December 17 | 34°F1°C | 45°F7°C | 11 mph18 km/h from West | Cloudy | Cloudy |
| December 18 | 31°F-0°C | 37°F3°C | 5 mph8 km/h from West | Cloudy | Mostly Cloudy |
| December 19 | 23°F-5°C | 31°F-0°C | 7 mph12 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
| December 20 | 20°F-7°C | 29°F-2°C | 7 mph12 km/h from South | Cloudy | Mostly Cloudy |
| December 21 | 8°F-13°C | 25°F-4°C | 12 mph20 km/h from Northwest | Mostly Cloudy | Partly Cloudy |
Yes
Low of 34°F1°C, High of 46°F8°CWind: 9 mph14 km/h
Precipitation: 71% rain