Yes

you do need a jacket based on the weather in Clarence-Rockland (Rockland), Ontario, Canada 1 second ago

Why? Because the cold's there, but it's just a reminder, not an invasion!
36°F2°C & Mostly Clear

Wind is 7 mph12 km/h from the Northwest, gusting to 18 mph29 km/h
November 6
9am35°F2°C8 mph12 km/h NorthwestMostly Clear
10am34°F1°C8 mph13 km/h NorthwestMostly Clear
11am33°F1°C8 mph12 km/h NorthwestMostly Clear
12pm33°F1°C8 mph13 km/h NorthwestMostly Cloudy
1pm34°F1°C9 mph15 km/h NorthwestMostly Cloudy
2pm36°F2°C11 mph18 km/h NorthwestMostly Clear
3pm37°F3°C12 mph19 km/h NorthwestMostly Cloudy
4pm38°F3°C12 mph19 km/h NorthwestMostly Cloudy
5pm39°F4°C11 mph18 km/h NorthwestCloudy
6pm39°F4°C11 mph18 km/h NorthwestCloudy
7pm39°F4°C11 mph18 km/h WestCloudy
8pm38°F3°C10 mph17 km/h WestMostly Cloudy
DateLowHighWindDayNight
November 628°F-2°C39°F4°C10 mph16 km/h from WestMostly CloudyPartly Cloudy
November 728°F-2°C46°F8°C8 mph13 km/h from SoutheastRainRain
November 831°F-1°C47°F8°C8 mph13 km/h from NorthwestPartly CloudyMostly Cloudy
November 928°F-2°C36°F2°C9 mph15 km/h from NortheastSnowSnow
November 1031°F-1°C35°F2°C5 mph9 km/h from NorthwestCloudyMostly Cloudy
November 1125°F-4°C33°F0°C10 mph17 km/h from WestMostly CloudyMostly Cloudy
November 1224°F-4°C38°F3°C8 mph12 km/h from SouthwestCloudyDrizzle

Yes

Low of 28°F-3°C, High of 46°F8°C
Wind: 8 mph13 km/h
Precipitation: 81% rain

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