No

you don't need a jacket based on the weather in Mt Prospect, IL 60056, USA 1 second ago

69°F21°C & Clear

Wind is 7 mph11 km/h from the Northwest, gusting to 18 mph29 km/h
August 23
10pm69°F21°C7 mph12 km/h NorthwestClear
11pm67°F20°C6 mph10 km/h NorthwestClear
August 24
12am65°F18°C5 mph8 km/h NorthwestClear
1am64°F18°C5 mph8 km/h NorthwestClear
2am63°F17°C5 mph8 km/h NorthwestPartly Cloudy
3am61°F16°C6 mph9 km/h NorthwestClear
4am60°F16°C5 mph8 km/h NorthwestClear
5am60°F15°C6 mph10 km/h NorthwestClear
6am59°F15°C6 mph10 km/h WestClear
7am58°F15°C6 mph10 km/h WestClear
8am59°F15°C7 mph11 km/h WestClear
9am61°F16°C7 mph12 km/h WestClear
DateLowHighWindDayNight
August 2364°F18°C83°F28°C8 mph13 km/h from WestMostly ClearClear
August 2458°F15°C72°F22°C10 mph17 km/h from NorthwestMostly ClearMostly Clear
August 2555°F13°C69°F21°C9 mph15 km/h from NorthwestPartly CloudyMostly Clear
August 2653°F12°C70°F21°C8 mph13 km/h from NorthwestPartly CloudyClear
August 2753°F12°C74°F24°C6 mph10 km/h from WestMostly ClearMostly Clear
August 2858°F14°C77°F25°C7 mph11 km/h from WestPartly CloudyPartly Cloudy
August 2961°F16°C77°F25°C7 mph11 km/h from NorthPartly CloudyPartly Cloudy

Yes

Low of 58°F15°C, High of 73°F23°C
Wind: 10 mph17 km/h
Precipitation: 7% rain

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