Yes
you do need a jacket based on the weather in Mississauga (Erin Mills), Ontario, Canada 1 second ago
Why? Because it's colder than a polar bear's pyjamas!
4°F-15°C & Partly Cloudy
Wind is 6 mph10 km/h from the North, gusting to 13 mph21 km/h
| December 22 | ||||
| 4am | 4°F-15°C | 6 mph10 km/h North | Clear | |
| 5am | 4°F-15°C | 6 mph10 km/h North | Clear | |
| 6am | 4°F-15°C | 5 mph9 km/h North | Clear | |
| 7am | 5°F-15°C | 5 mph8 km/h North | Clear | |
| 8am | 5°F-15°C | 4 mph7 km/h North | Mostly Clear | |
| 9am | 6°F-14°C | 4 mph7 km/h North | Mostly Clear | |
| 10am | 8°F-13°C | 4 mph6 km/h North | Mostly Clear | |
| 11am | 10°F-12°C | 2 mph4 km/h Northeast | Mostly Clear | |
| 12pm | 12°F-11°C | 2 mph2 km/h East | Mostly Clear | |
| 1pm | 14°F-10°C | 2 mph3 km/h Southeast | Clear | |
| 2pm | 15°F-9°C | 3 mph4 km/h Southeast | Mostly Clear | |
| 3pm | 16°F-9°C | 3 mph5 km/h Southeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 22 | 3°F-16°C | 16°F-9°C | 3 mph5 km/h from East | Mostly Clear | Partly Cloudy |
| December 23 | 16°F-9°C | 34°F1°C | 8 mph12 km/h from South | Snow | Snow |
| December 24 | 29°F-2°C | 35°F1°C | 4 mph7 km/h from North | Mostly Cloudy | Cloudy |
| December 25 | 28°F-2°C | 33°F1°C | 4 mph6 km/h from Northeast | Cloudy | Cloudy |
| December 26 | 28°F-2°C | 33°F0°C | 7 mph11 km/h from East | Cloudy | Mostly Cloudy |
| December 27 | 29°F-2°C | 35°F1°C | 7 mph11 km/h from East | Cloudy | Cloudy |
| December 28 | 34°F1°C | 40°F4°C | 6 mph9 km/h from East | Cloudy | Cloudy |
Yes
Low of 16°F-9°C, High of 34°F1°CWind: 8 mph12 km/h
Precipitation: 56% snow