Yes

you do need a jacket based on the weather in Brookfield, WI 53005, USA 1 second ago

Why? Because there's a refreshing nip in the air and it's really really huffing out there!
48°F9°C & Windy

Wind is 16 mph26 km/h from the Northwest, gusting to 34 mph54 km/h
October 19
12pm47°F9°C17 mph28 km/h NorthwestRain
1pm47°F8°C16 mph26 km/h NorthwestDrizzle
2pm47°F9°C15 mph23 km/h NorthwestDrizzle
3pm49°F9°C13 mph21 km/h NorthwestCloudy
4pm51°F10°C15 mph25 km/h NorthwestWindy
5pm52°F11°C16 mph26 km/h NorthwestWindy
6pm54°F12°C16 mph26 km/h NorthwestWindy
7pm55°F13°C17 mph27 km/h NorthwestWindy
8pm56°F13°C17 mph27 km/h NorthwestWindy
9pm55°F13°C15 mph25 km/h NorthwestWindy
10pm54°F12°C13 mph22 km/h NorthwestMostly Clear
11pm52°F11°C11 mph18 km/h NorthwestMostly Clear
DateLowHighWindDayNight
October 1945°F7°C57°F14°C15 mph24 km/h from NorthwestRainClear
October 2039°F4°C62°F17°C11 mph18 km/h from SouthClearDrizzle
October 2144°F7°C52°F11°C15 mph24 km/h from WestMostly CloudyDrizzle
October 2242°F5°C50°F10°C15 mph24 km/h from NorthwestWindyPartly Cloudy
October 2337°F3°C51°F10°C10 mph16 km/h from NorthwestPartly CloudyPartly Cloudy
October 2436°F2°C52°F11°C5 mph8 km/h from WestMostly CloudyPartly Cloudy
October 2537°F3°C54°F12°C7 mph11 km/h from EastPartly CloudyPartly Cloudy

Yes

Low of 39°F4°C, High of 62°F17°C
Wind: 11 mph18 km/h
Precipitation: None

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