Yes

you do need a jacket based on the weather in Oak Creek, WI 53154, USA 1 second ago

Why? Because it's colder than your ex's heart!
20°F-7°C & Cloudy

Wind is 9 mph14 km/h from the Northwest, gusting to 12 mph20 km/h
January 8
2pm20°F-7°C9 mph15 km/h NorthwestCloudy
3pm21°F-6°C10 mph15 km/h NorthwestCloudy
4pm21°F-6°C9 mph14 km/h NorthwestCloudy
5pm20°F-7°C8 mph12 km/h NorthwestCloudy
6pm19°F-7°C6 mph10 km/h WestMostly Cloudy
7pm19°F-8°C6 mph9 km/h WestMostly Cloudy
8pm18°F-8°C5 mph8 km/h WestMostly Cloudy
9pm16°F-9°C4 mph7 km/h WestMostly Clear
10pm15°F-10°C4 mph7 km/h WestClear
11pm14°F-10°C4 mph7 km/h WestClear
January 9
12am13°F-11°C4 mph7 km/h WestClear
1am12°F-11°C5 mph8 km/h WestClear
DateLowHighWindDayNight
January 812°F-11°C21°F-6°C7 mph11 km/h from NorthwestMostly CloudyMostly Clear
January 99°F-13°C27°F-3°C10 mph15 km/h from SouthMostly ClearMostly Cloudy
January 1020°F-7°C29°F-2°C9 mph14 km/h from WestMostly CloudyPartly Cloudy
January 1117°F-8°C27°F-3°C8 mph13 km/h from WestPartly CloudyCloudy
January 1222°F-5°C31°F-1°C8 mph13 km/h from SouthCloudyCloudy
January 139°F-13°C26°F-3°C16 mph25 km/h from WestWindyWindy
January 145°F-15°C14°F-10°C14 mph23 km/h from WestMostly ClearMostly Clear

Yes

Low of 10°F-13°C, High of 28°F-3°C
Wind: 10 mph15 km/h
Precipitation: None

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