Yes

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

Why? Because the cold's there, but it's just a reminder, not an invasion!
42°F6°C & Clear

Wind is 7 mph12 km/h from the West, gusting to 17 mph27 km/h
November 6
4am42°F5°C7 mph12 km/h WestClear
5am40°F5°C7 mph11 km/h WestMostly Clear
6am39°F4°C6 mph10 km/h WestClear
7am37°F3°C6 mph9 km/h NorthwestClear
8am36°F2°C6 mph9 km/h NorthwestClear
9am35°F1°C5 mph9 km/h WestClear
10am33°F1°C5 mph8 km/h WestClear
11am34°F1°C5 mph8 km/h WestClear
12pm34°F1°C5 mph8 km/h WestClear
1pm36°F2°C4 mph7 km/h WestClear
2pm39°F4°C4 mph7 km/h WestClear
3pm44°F7°C5 mph8 km/h WestClear
DateLowHighWindDayNight
November 540°F5°C58°F15°C11 mph17 km/h from WestMostly CloudyClear
November 633°F1°C52°F11°C6 mph9 km/h from WestMostly ClearRain
November 745°F7°C58°F14°C12 mph19 km/h from SouthwestRainPartly Cloudy
November 841°F5°C48°F9°C5 mph9 km/h from NorthMostly CloudyDrizzle
November 931°F-1°C41°F5°C12 mph19 km/h from NorthwestRainSnow
November 1026°F-3°C34°F1°C12 mph20 km/h from NorthwestSnowPartly Cloudy
November 1126°F-3°C38°F4°C12 mph20 km/h from SouthwestMostly CloudyMostly Cloudy

Yes

Low of 33°F1°C, High of 52°F11°C
Wind: 6 mph9 km/h
Precipitation: None

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