Yes

you do need a jacket based on the weather in Hamilton, ON, Canada 33 seconds ago

Why? Because time to get cozy, it's freezing out there!
32°F-0°C & Cloudy

Wind is 5 mph8 km/h from the Southwest, gusting to 12 mph19 km/h
January 30
8pm32°F0°C8 mph12 km/h SouthwestMostly Cloudy
9pm34°F1°C11 mph18 km/h SouthwestCloudy
10pm35°F2°C14 mph23 km/h SouthwestCloudy
11pm35°F2°C15 mph24 km/h SouthwestWindy
January 31
12am36°F2°C15 mph24 km/h SouthwestCloudy
1am36°F2°C13 mph22 km/h SouthwestMostly Cloudy
2am34°F1°C10 mph17 km/h SouthwestPartly Cloudy
3am33°F1°C8 mph13 km/h SouthwestMostly Cloudy
4am33°F0°C7 mph11 km/h SouthwestCloudy
5am32°F0°C5 mph8 km/h WestCloudy
6am32°F0°C5 mph7 km/h WestCloudy
7am32°F0°C3 mph5 km/h WestCloudy
DateLowHighWindDayNight
January 3016°F-9°C36°F2°C4 mph7 km/h from SouthMostly CloudyMostly Cloudy
January 3125°F-4°C36°F2°C7 mph11 km/h from NortheastSnowSnow
February 111°F-12°C25°F-4°C7 mph11 km/h from NorthMostly ClearMostly Cloudy
February 216°F-9°C38°F3°C8 mph12 km/h from SoutheastSnowCloudy
February 327°F-3°C39°F4°C11 mph18 km/h from WestCloudyMostly Cloudy
February 419°F-7°C30°F-1°C7 mph11 km/h from NorthwestMostly CloudyCloudy
February 525°F-4°C34°F1°C8 mph12 km/h from NortheastCloudyRain

Yes

Low of 25°F-4°C, High of 36°F2°C
Wind: 7 mph11 km/h
Precipitation: 80% snow

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