Yes

you do need a jacket based on the weather in Detroit, MI, USA 1 second ago

Why? Because it's colder than your ex's heart and it's fairly windy outside!
9°F-13°C & Partly Cloudy

Wind is 12 mph20 km/h from the West, gusting to 23 mph37 km/h
January 20
12pm9°F-13°C13 mph21 km/h WestMostly Cloudy
1pm10°F-12°C14 mph23 km/h WestMostly Cloudy
2pm11°F-12°C15 mph24 km/h WestCloudy
3pm11°F-12°C15 mph24 km/h WestCloudy
4pm11°F-12°C14 mph23 km/h WestCloudy
5pm10°F-12°C14 mph22 km/h SouthwestCloudy
6pm9°F-13°C13 mph20 km/h SouthwestMostly Cloudy
7pm8°F-13°C12 mph19 km/h SouthwestPartly Cloudy
8pm7°F-14°C12 mph19 km/h SouthwestPartly Cloudy
9pm6°F-14°C11 mph17 km/h SouthwestPartly Cloudy
10pm6°F-15°C10 mph16 km/h SouthwestPartly Cloudy
11pm5°F-15°C10 mph15 km/h SouthwestMostly Cloudy
DateLowHighWindDayNight
January 205°F-15°C11°F-12°C12 mph19 km/h from WestMostly CloudyMostly Cloudy
January 21-2°F-19°C6°F-14°C9 mph15 km/h from WestMostly CloudyClear
January 22-3°F-19°C16°F-9°C12 mph19 km/h from SouthMostly CloudyCloudy
January 2314°F-10°C25°F-4°C7 mph12 km/h from SouthwestCloudyMostly Cloudy
January 2410°F-12°C22°F-6°C4 mph7 km/h from SouthwestMostly CloudyMostly Cloudy
January 2516°F-9°C31°F-1°C10 mph17 km/h from SouthwestCloudyCloudy
January 2618°F-8°C27°F-3°C6 mph9 km/h from WestCloudyMostly Cloudy

Yes

Low of -2°F-19°C, High of 7°F-14°C
Wind: 9 mph15 km/h
Precipitation: None

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