Yes

you do need a jacket based on the weather in South Dr, Scott AFB, IL 62225, USA 1 second ago

Why? Because the rain is just enough to ruin your hairstyle but not your mood and just cool enough for a jacket, but not warm enough to ditch it and it's on the windy side!
53°F12°C & Rain

Wind is 11 mph17 km/h from the East, gusting to 21 mph34 km/h
October 29
10am53°F12°C11 mph18 km/h EastRain
11am53°F12°C13 mph21 km/h NortheastRain
12pm53°F11°C14 mph23 km/h NortheastRain
1pm52°F11°C15 mph24 km/h NortheastRain
2pm52°F11°C16 mph26 km/h NortheastRain
3pm52°F11°C17 mph27 km/h NortheastDrizzle
4pm53°F11°C17 mph27 km/h NortheastDrizzle
5pm52°F11°C17 mph27 km/h NortheastDrizzle
6pm53°F12°C16 mph26 km/h NortheastDrizzle
7pm53°F12°C16 mph26 km/h NortheastDrizzle
8pm53°F12°C16 mph25 km/h NortheastDrizzle
9pm53°F11°C14 mph22 km/h NortheastDrizzle
DateLowHighWindDayNight
October 2945°F7°C55°F13°C15 mph24 km/h from NortheastRainMostly Clear
October 3041°F5°C58°F14°C10 mph16 km/h from NorthwestMostly ClearPartly Cloudy
October 3140°F4°C59°F15°C9 mph14 km/h from WestMostly ClearMostly Cloudy
November 141°F5°C53°F12°C6 mph10 km/h from WestMostly CloudyPartly Cloudy
November 236°F2°C57°F14°C5 mph8 km/h from SoutheastMostly ClearMostly Clear
November 342°F5°C63°F17°C6 mph10 km/h from NorthwestMostly ClearMostly Clear
November 441°F5°C62°F17°C7 mph11 km/h from SoutheastPartly CloudyPartly Cloudy

Yes

Low of 41°F5°C, High of 58°F15°C
Wind: 10 mph16 km/h
Precipitation: None

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