Yes

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

Why? Because it's cool. Pleasantly cool, but cool!
52°F11°C & Mostly Cloudy

Wind is 7 mph12 km/h from the North, gusting to 18 mph29 km/h
October 14
2pm54°F12°C9 mph14 km/h NorthMostly Clear
3pm57°F14°C9 mph14 km/h NorthPartly Cloudy
4pm60°F15°C8 mph13 km/h NorthPartly Cloudy
5pm62°F16°C9 mph14 km/h NorthPartly Cloudy
6pm63°F17°C9 mph14 km/h NorthPartly Cloudy
7pm63°F17°C9 mph14 km/h NorthMostly Cloudy
8pm62°F17°C8 mph13 km/h NorthPartly Cloudy
9pm60°F15°C8 mph13 km/h NorthMostly Cloudy
10pm57°F14°C8 mph12 km/h NorthMostly Cloudy
11pm54°F12°C7 mph11 km/h NorthCloudy
October 15
12am52°F11°C7 mph11 km/h NorthCloudy
1am51°F10°C7 mph12 km/h NorthCloudy
DateLowHighWindDayNight
October 1449°F10°C63°F17°C8 mph13 km/h from NorthPartly CloudyDrizzle
October 1544°F6°C59°F15°C4 mph7 km/h from NorthPartly CloudyMostly Clear
October 1638°F3°C63°F17°C3 mph6 km/h from SouthMostly ClearRain
October 1750°F10°C65°F18°C10 mph16 km/h from SouthDrizzleMostly Cloudy
October 1853°F12°C65°F18°C10 mph15 km/h from SouthwestRainDrizzle
October 1945°F7°C53°F12°C8 mph14 km/h from NorthwestDrizzleDrizzle
October 2042°F6°C55°F13°C11 mph18 km/h from WestPartly CloudyPartly Cloudy

Yes

Low of 44°F7°C, High of 59°F15°C
Wind: 4 mph7 km/h
Precipitation: None

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