Yes

you do need a jacket based on the weather in Chicago, IL 60606, USA 1 second ago

Why? Because a jacket will keep you cozy, but you won't break a seat!
51°F10°C & Partly Cloudy

Wind is 7 mph11 km/h from the Southeast, gusting to 14 mph22 km/h
April 28
5am51°F10°C8 mph13 km/h SoutheastClear
6am50°F10°C8 mph14 km/h SouthMostly Clear
7am50°F10°C9 mph15 km/h SouthMostly Clear
8am51°F11°C10 mph16 km/h SouthMostly Clear
9am54°F12°C9 mph15 km/h SouthMostly Clear
10am58°F15°C10 mph16 km/h SouthMostly Cloudy
11am62°F17°C11 mph18 km/h SouthPartly Cloudy
12pm66°F19°C12 mph19 km/h SouthPartly Cloudy
1pm70°F21°C13 mph21 km/h SouthMostly Cloudy
2pm73°F23°C14 mph22 km/h SouthPartly Cloudy
3pm76°F25°C15 mph23 km/h SouthMostly Clear
4pm78°F26°C15 mph25 km/h SouthWindy
DateLowHighWindDayNight
April 2850°F10°C80°F27°C13 mph22 km/h from SouthPartly CloudyRain
April 2948°F9°C73°F23°C14 mph22 km/h from WestMostly CloudyPartly Cloudy
April 3044°F7°C58°F14°C8 mph12 km/h from EastRainRain
May 150°F10°C61°F16°C7 mph11 km/h from SouthwestDrizzleRain
May 244°F7°C59°F15°C7 mph12 km/h from NorthwestRainMostly Clear
May 341°F5°C64°F18°C6 mph10 km/h from SouthMostly ClearMostly Clear
May 451°F11°C76°F24°C8 mph14 km/h from SouthMostly ClearPartly Cloudy

Yes

Low of 47°F9°C, High of 73°F23°C
Wind: 14 mph22 km/h
Precipitation: None

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