Yes

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

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
42°F6°C & Mostly Clear

Wind is 4 mph7 km/h from the Northwest, gusting to 10 mph16 km/h
May 25
2am42°F6°C5 mph8 km/h NorthwestClear
3am41°F5°C5 mph8 km/h NorthwestClear
4am40°F4°C5 mph8 km/h NorthwestMostly Clear
5am40°F4°C5 mph8 km/h NorthwestPartly Cloudy
6am39°F4°C5 mph8 km/h NorthwestMostly Clear
7am41°F5°C4 mph7 km/h NorthwestClear
8am46°F8°C5 mph8 km/h NorthwestMostly Clear
9am50°F10°C5 mph8 km/h NorthwestClear
10am54°F12°C6 mph10 km/h NorthwestClear
11am57°F14°C7 mph12 km/h NorthwestMostly Clear
12pm59°F15°C9 mph15 km/h NorthwestPartly Cloudy
1pm61°F16°C10 mph17 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
May 2539°F4°C64°F18°C8 mph13 km/h from NorthwestMostly ClearClear
May 2642°F5°C69°F20°C5 mph8 km/h from NortheastMostly ClearPartly Cloudy
May 2747°F8°C70°F21°C11 mph17 km/h from EastMostly CloudyRain
May 2852°F11°C63°F17°C11 mph18 km/h from EastRainDrizzle
May 2952°F11°C64°F18°C12 mph19 km/h from WestDrizzleMostly Clear
May 3052°F11°C75°F24°C9 mph14 km/h from WestPartly CloudyDrizzle
May 3152°F11°C67°F20°C8 mph13 km/h from NorthMostly ClearPartly Cloudy

Yes

Low of 42°F6°C, High of 69°F21°C
Wind: 5 mph8 km/h
Precipitation: None

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