Yes
you do need a jacket based on the weather in Hamilton (Greeningdon), Ontario, Canada 1 second ago
Why? Because the temperature has dropped below freezing!
13°F-10°C & Mostly Clear
Wind is 2 mph3 km/h from the East, gusting to 4 mph7 km/h
| December 22 | ||||
| 1pm | 15°F-10°C | 2 mph4 km/h Southeast | Mostly Clear | |
| 2pm | 16°F-9°C | 3 mph5 km/h Southeast | Mostly Clear | |
| 3pm | 16°F-9°C | 3 mph6 km/h Southeast | Clear | |
| 4pm | 16°F-9°C | 3 mph5 km/h Southeast | Clear | |
| 5pm | 15°F-10°C | 3 mph5 km/h Southeast | Clear | |
| 6pm | 13°F-10°C | 4 mph6 km/h Southeast | Clear | |
| 7pm | 12°F-11°C | 4 mph6 km/h Southeast | Clear | |
| 8pm | 11°F-12°C | 4 mph6 km/h South | Clear | |
| 9pm | 10°F-12°C | 4 mph6 km/h Southeast | Clear | |
| 10pm | 10°F-12°C | 4 mph6 km/h Southeast | Clear | |
| 11pm | 10°F-12°C | 3 mph6 km/h Southeast | Mostly Clear | |
| December 23 | ||||
| 12am | 12°F-11°C | 4 mph6 km/h Southeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 22 | 0°F-18°C | 16°F-9°C | 3 mph4 km/h from East | Mostly Clear | Partly Cloudy |
| December 23 | 12°F-11°C | 34°F1°C | 9 mph14 km/h from South | Snow | Snow |
| December 24 | 28°F-2°C | 35°F2°C | 5 mph8 km/h from North | Mostly Cloudy | Mostly Cloudy |
| December 25 | 26°F-3°C | 33°F1°C | 5 mph8 km/h from Northeast | Cloudy | Mostly Cloudy |
| December 26 | 29°F-2°C | 34°F1°C | 8 mph14 km/h from East | Mostly Cloudy | Mostly Cloudy |
| December 27 | 30°F-1°C | 37°F3°C | 9 mph14 km/h from East | Mostly Cloudy | Cloudy |
| December 28 | 32°F0°C | 38°F3°C | 7 mph12 km/h from East | Drizzle | Cloudy |
Yes
Low of 11°F-12°C, High of 35°F2°CWind: 9 mph14 km/h
Precipitation: 56% snow