No

you don't need a jacket based on the weather in Chicago, IL 60630, USA 1 second ago

60°F15°C & Clear

Wind is 5 mph8 km/h from the West, gusting to 13 mph21 km/h
August 24
5am60°F15°C6 mph9 km/h WestClear
6am59°F15°C6 mph9 km/h WestClear
7am58°F15°C6 mph9 km/h WestClear
8am59°F15°C6 mph10 km/h WestClear
9am61°F16°C8 mph12 km/h NorthwestClear
10am64°F18°C8 mph13 km/h NorthwestClear
11am67°F19°C8 mph14 km/h WestClear
12pm69°F21°C10 mph16 km/h WestMostly Clear
1pm71°F21°C11 mph18 km/h WestMostly Clear
2pm72°F22°C11 mph18 km/h NorthwestPartly Cloudy
3pm72°F22°C12 mph19 km/h NorthwestPartly Cloudy
4pm73°F23°C12 mph19 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
August 2458°F15°C73°F23°C10 mph17 km/h from NorthwestMostly ClearMostly Clear
August 2556°F14°C70°F21°C9 mph15 km/h from NorthwestPartly CloudyClear
August 2655°F13°C70°F21°C8 mph13 km/h from NorthPartly CloudyClear
August 2755°F13°C75°F24°C5 mph9 km/h from WestPartly CloudyPartly Cloudy
August 2859°F15°C76°F25°C6 mph9 km/h from WestPartly CloudyMostly Cloudy
August 2964°F18°C71°F22°C8 mph13 km/h from NortheastPartly CloudyMostly Clear
August 3062°F17°C72°F22°C6 mph10 km/h from EastPartly CloudyMostly Cloudy

Yes

Low of 56°F14°C, High of 70°F21°C
Wind: 9 mph15 km/h
Precipitation: None

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