No

you don't need a jacket based on the weather in Chicago, IL 60638, USA 1 second ago

64°F18°C & Mostly Cloudy

Wind is 6 mph10 km/h from the Southeast, gusting to 16 mph25 km/h
May 13
2am64°F18°C7 mph11 km/h SoutheastPartly Cloudy
3am63°F17°C6 mph9 km/h SoutheastPartly Cloudy
4am62°F17°C3 mph6 km/h SoutheastCloudy
5am61°F16°C3 mph6 km/h EastMostly Cloudy
6am60°F16°C4 mph6 km/h SoutheastPartly Cloudy
7am60°F16°C4 mph7 km/h SoutheastPartly Cloudy
8am63°F17°C5 mph8 km/h SoutheastPartly Cloudy
9am64°F18°C5 mph8 km/h SoutheastMostly Cloudy
10am66°F19°C5 mph8 km/h EastMostly Cloudy
11am69°F21°C5 mph7 km/h EastMostly Cloudy
12pm72°F22°C5 mph8 km/h EastMostly Cloudy
1pm74°F23°C7 mph10 km/h EastMostly Cloudy
DateLowHighWindDayNight
May 1360°F16°C77°F25°C6 mph10 km/h from EastMostly CloudyCloudy
May 1457°F14°C78°F26°C5 mph7 km/h from EastMostly CloudyPartly Cloudy
May 1561°F16°C89°F32°C11 mph17 km/h from SouthPartly CloudyMostly Clear
May 1664°F18°C84°F29°C13 mph21 km/h from SouthwestMostly ClearPartly Cloudy
May 1761°F16°C80°F27°C14 mph23 km/h from WestMostly ClearMostly Clear
May 1857°F14°C74°F23°C7 mph12 km/h from NorthMostly ClearPartly Cloudy
May 1951°F11°C65°F18°C9 mph14 km/h from NortheastPartly CloudyPartly Cloudy

Yes

Low of 57°F14°C, High of 78°F26°C
Wind: 5 mph7 km/h
Precipitation: None

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