Yes
you do need a jacket based on the weather in Hamilton, ON, Canada 1 second ago
Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it and it's really really huffing out there!
40°F4°C & Windy
Wind is 17 mph28 km/h from the West, gusting to 35 mph57 km/h
| December 30 | ||||
| 6pm | 40°F4°C | 17 mph27 km/h West | Windy | |
| 7pm | 39°F4°C | 16 mph25 km/h West | Windy | |
| 8pm | 39°F4°C | 14 mph23 km/h West | Mostly Cloudy | |
| 9pm | 38°F4°C | 13 mph20 km/h West | Mostly Cloudy | |
| 10pm | 38°F3°C | 12 mph19 km/h West | Mostly Cloudy | |
| 11pm | 38°F3°C | 11 mph17 km/h West | Mostly Cloudy | |
| December 31 | ||||
| 12am | 37°F3°C | 10 mph16 km/h West | Partly Cloudy | |
| 1am | 37°F3°C | 9 mph14 km/h West | Partly Cloudy | |
| 2am | 36°F2°C | 7 mph12 km/h West | Partly Cloudy | |
| 3am | 35°F2°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 4am | 34°F1°C | 5 mph8 km/h Southwest | Mostly Cloudy | |
| 5am | 34°F1°C | 4 mph7 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| December 30 | 35°F2°C | 51°F10°C | 16 mph26 km/h from West | Rain | Mostly Cloudy |
| December 31 | 32°F-0°C | 39°F4°C | 11 mph18 km/h from Northeast | Rain | Rain |
| January 1 | 31°F-1°C | 38°F3°C | 15 mph25 km/h from West | Drizzle | Windy |
| January 2 | 26°F-3°C | 32°F0°C | 18 mph28 km/h from West | Windy | Mostly Cloudy |
| January 3 | 23°F-5°C | 29°F-2°C | 15 mph24 km/h from West | Mostly Cloudy | Cloudy |
| January 4 | 19°F-7°C | 26°F-3°C | 16 mph26 km/h from West | Windy | Mostly Cloudy |
| January 5 | 19°F-7°C | 27°F-3°C | 14 mph23 km/h from West | Mostly Cloudy | Partly Cloudy |
Yes
Low of 32°F-0°C, High of 39°F4°CWind: 11 mph18 km/h
Precipitation: 59% rain