Yes

you do need a jacket based on the weather in Southfield, MI 48075, USA 1 second ago

Why? Because it's not very warm out!
53°F12°C & Partly Cloudy

Wind is 3 mph5 km/h from the Northwest, gusting to 7 mph11 km/h
May 25
12am51°F11°C4 mph6 km/h NorthwestMostly Clear
1am50°F10°C4 mph6 km/h NorthwestMostly Clear
2am48°F9°C4 mph6 km/h NorthwestMostly Clear
3am47°F8°C4 mph6 km/h NorthMostly Cloudy
4am46°F8°C4 mph6 km/h NorthMostly Cloudy
5am46°F8°C3 mph5 km/h NorthwestMostly Cloudy
6am46°F8°C3 mph6 km/h NorthwestMostly Cloudy
7am46°F8°C4 mph6 km/h NorthwestPartly Cloudy
8am48°F9°C4 mph7 km/h NorthwestMostly Clear
9am52°F11°C5 mph8 km/h NorthwestMostly Clear
10am56°F13°C6 mph10 km/h NorthwestMostly Clear
11am59°F15°C7 mph11 km/h NorthwestMostly Clear
DateLowHighWindDayNight
May 2443°F6°C62°F17°C3 mph5 km/h from NorthwestPartly CloudyPartly Cloudy
May 2545°F7°C65°F18°C7 mph12 km/h from NorthwestMostly ClearClear
May 2645°F7°C70°F21°C5 mph8 km/h from NortheastPartly CloudyMostly Cloudy
May 2750°F10°C70°F21°C10 mph16 km/h from EastCloudyRain
May 2854°F12°C66°F19°C8 mph13 km/h from SoutheastRainDrizzle
May 2955°F13°C67°F19°C11 mph18 km/h from WestMostly CloudyPartly Cloudy
May 3055°F13°C71°F22°C8 mph13 km/h from NorthwestPartly CloudyDrizzle

Yes

Low of 46°F8°C, High of 65°F19°C
Wind: 7 mph12 km/h
Precipitation: None

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