Yes

you do need a jacket based on the weather in Hanover Park, IL 60133, USA 1 second ago

Why? Because the wind could blow a wig clean off your head!
88°F31°C & Clear

Wind is 14 mph22 km/h from the Southwest, gusting to 22 mph36 km/h
July 5
7pm88°F31°C14 mph22 km/h SouthwestClear
8pm86°F30°C13 mph20 km/h SouthwestMostly Clear
9pm84°F29°C10 mph16 km/h SouthwestMostly Clear
10pm81°F27°C9 mph14 km/h SouthMostly Clear
11pm79°F26°C8 mph13 km/h SouthwestPartly Cloudy
July 6
12am77°F25°C7 mph12 km/h SouthwestMostly Cloudy
1am76°F25°C8 mph13 km/h SouthwestMostly Cloudy
2am75°F24°C8 mph13 km/h SouthwestMostly Cloudy
3am74°F24°C8 mph12 km/h SouthwestMostly Cloudy
4am74°F23°C8 mph12 km/h SouthwestMostly Cloudy
5am73°F23°C8 mph12 km/h SouthwestMostly Cloudy
6am72°F22°C8 mph13 km/h SouthwestCloudy
DateLowHighWindDayNight
July 572°F22°C91°F33°C9 mph14 km/h from SouthwestMostly ClearRain
July 666°F19°C82°F28°C8 mph13 km/h from WestRainDrizzle
July 763°F17°C81°F27°C7 mph11 km/h from NortheastMostly ClearMostly Clear
July 864°F18°C85°F29°C6 mph9 km/h from SouthwestPartly CloudyDrizzle
July 968°F20°C81°F27°C4 mph7 km/h from WestRainMostly Cloudy
July 1067°F19°C83°F28°C4 mph6 km/h from EastDrizzlePartly Cloudy
July 1166°F19°C85°F30°C5 mph8 km/h from SoutheastMostly CloudyThunderstorms

No

Low of 66°F19°C, High of 82°F28°C
Wind: 8 mph13 km/h
Precipitation: 65% rain

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