Yes

you do need a jacket based on the weather in Ingleside, ON K0C, Canada 1 second ago

Why? Because it's snowing - enough for fun, but still walkable and Jack Frost is nipping at your nose!
22°F-6°C & Snow

Wind is 4 mph6 km/h from the South, gusting to 15 mph24 km/h
December 23
11pm22°F-5°C5 mph7 km/h SouthSnow
December 24
12am23°F-5°C5 mph9 km/h SouthSnow
1am24°F-5°C6 mph9 km/h SouthSnow
2am24°F-5°C5 mph8 km/h SouthSnow
3am24°F-4°C4 mph7 km/h SouthSnow
4am24°F-4°C3 mph5 km/h SoutheastSnow
5am24°F-5°C3 mph5 km/h EastSnow
6am23°F-5°C3 mph5 km/h EastSnow
7am22°F-6°C4 mph6 km/h NortheastCloudy
8am21°F-6°C4 mph7 km/h NortheastCloudy
9am20°F-6°C5 mph8 km/h NortheastCloudy
10am22°F-6°C5 mph8 km/h NortheastCloudy
DateLowHighWindDayNight
December 23-0°F-18°C23°F-5°C4 mph6 km/h from SoutheastHeavy SnowSnow
December 2414°F-10°C27°F-3°C4 mph7 km/h from NortheastMostly CloudyMostly Cloudy
December 259°F-13°C22°F-5°C3 mph4 km/h from NortheastPartly CloudyMostly Cloudy
December 265°F-15°C19°F-7°C3 mph5 km/h from NortheastPartly CloudyMostly Cloudy
December 277°F-14°C22°F-6°C4 mph6 km/h from NortheastMostly CloudyCloudy
December 2816°F-9°C25°F-4°C6 mph10 km/h from NortheastCloudyCloudy
December 2925°F-4°C35°F2°C7 mph12 km/h from EastRainRain

Yes

Low of 14°F-10°C, High of 28°F-3°C
Wind: 4 mph7 km/h
Precipitation: None

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