Yes

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

Why? Because this drizzle is just a polite way of saying, “Get ready, the big stuff's coming.” and it's quite chilly!
43°F6°C & Drizzle

Wind is 7 mph12 km/h from the East, gusting to 14 mph23 km/h
November 8
11pm42°F6°C8 mph12 km/h EastDrizzle
November 9
12am42°F5°C9 mph14 km/h NortheastDrizzle
1am41°F5°C8 mph14 km/h NortheastRain
2am41°F5°C8 mph13 km/h NortheastRain
3am39°F4°C11 mph17 km/h NortheastRain
4am38°F3°C12 mph19 km/h NortheastDrizzle
5am36°F2°C13 mph21 km/h NorthRain
6am35°F2°C13 mph22 km/h NorthSnow
7am34°F1°C13 mph21 km/h NorthSnow
8am33°F1°C14 mph22 km/h NorthCloudy
9am33°F0°C14 mph22 km/h NorthCloudy
10am32°F0°C14 mph22 km/h NorthCloudy
DateLowHighWindDayNight
November 835°F2°C47°F8°C6 mph9 km/h from NortheastRainRain
November 925°F-4°C35°F2°C16 mph25 km/h from NorthwestWindySnow
November 1024°F-4°C37°F3°C14 mph22 km/h from NorthwestMostly ClearMostly Cloudy
November 1126°F-4°C41°F5°C14 mph23 km/h from SouthwestMostly CloudyPartly Cloudy
November 1237°F3°C50°F10°C15 mph24 km/h from WestMostly ClearMostly Clear
November 1332°F-0°C51°F11°C8 mph13 km/h from WestMostly ClearMostly Clear
November 1437°F3°C56°F13°C7 mph11 km/h from SoutheastPartly CloudyMostly Cloudy

Yes

Low of 26°F-4°C, High of 35°F2°C
Wind: 16 mph25 km/h
Precipitation: None

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