Yes

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

Why? Because time to get cozy, it's freezing out there.
29°F-1°C & Clear

Wind is 6 mph10 km/h from the NW, gusting to 16 mph25 km/h
March 29
6am30°F-1°C7 mph11 km/h NWMostly Clear
7am30°F-1°C7 mph12 km/h NWClear
8am31°F-0°C8 mph13 km/h NWClear
9am34°F1°C9 mph15 km/h NWClear
10am37°F3°C11 mph17 km/h NWMostly Clear
11am39°F4°C12 mph19 km/h NWPartly Cloudy
12pm40°F5°C12 mph20 km/h NWMostly Cloudy
1pm41°F5°C13 mph21 km/h NWMostly Cloudy
2pm43°F6°C13 mph22 km/h NWMostly Cloudy
3pm44°F6°C14 mph22 km/h NWMostly Cloudy
4pm43°F6°C14 mph22 km/h NWMostly Cloudy
5pm42°F6°C14 mph23 km/h NWMostly Cloudy
DateLowHighWindDayNight
March 2928°F-2°C44°F6°C12 mph20 km/h from NWPartly CloudyMostly Clear
March 3028°F-2°C46°F8°C5 mph8 km/h from SWMostly CloudyFreezingdrizzle
March 3132°F-0°C48°F9°C8 mph13 km/h from WMostly CloudyMostly Cloudy
April 132°F0°C53°F12°C7 mph11 km/h from EMostly CloudyCloudy
April 239°F4°C47°F8°C16 mph26 km/h from EDrizzleRain
April 335°F1°C41°F5°C18 mph28 km/h from ERainRain
April 433°F1°C44°F6°C14 mph23 km/h from NCloudyPartly Cloudy

Yes

Low of 28°F-2°C, High of 46°F8°C
Wind: 5 mph8 km/h
Precipitation: None

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