Yes

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

Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
32°F0°C & Clear

Wind is 4 mph6 km/h from the West, gusting to 8 mph13 km/h
November 6
10am32°F0°C4 mph7 km/h WestClear
11am32°F-0°C4 mph7 km/h WestClear
12pm32°F-0°C4 mph7 km/h WestClear
1pm33°F0°C4 mph7 km/h WestClear
2pm38°F3°C4 mph7 km/h WestClear
3pm43°F6°C4 mph7 km/h WestClear
4pm46°F8°C6 mph10 km/h WestMostly Clear
5pm47°F9°C8 mph12 km/h WestMostly Cloudy
6pm49°F9°C8 mph13 km/h WestMostly Cloudy
7pm50°F10°C8 mph13 km/h WestMostly Cloudy
8pm50°F10°C8 mph12 km/h SouthwestMostly Cloudy
9pm50°F10°C7 mph11 km/h SouthwestMostly Cloudy
DateLowHighWindDayNight
November 631°F-0°C50°F10°C6 mph10 km/h from SouthwestPartly CloudyRain
November 743°F6°C56°F13°C15 mph24 km/h from SouthwestRainMostly Cloudy
November 834°F1°C44°F7°C5 mph8 km/h from NorthMostly CloudySnow
November 927°F-3°C36°F2°C12 mph20 km/h from NorthSnowMostly Cloudy
November 1023°F-5°C35°F2°C10 mph17 km/h from NorthwestMostly CloudySnow
November 1125°F-4°C38°F3°C12 mph19 km/h from SouthwestCloudyMostly Cloudy
November 1232°F-0°C46°F8°C14 mph23 km/h from WestMostly CloudyPartly Cloudy

Yes

Low of 43°F6°C, High of 55°F13°C
Wind: 15 mph24 km/h
Precipitation: 76% rain

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